{"id":5362,"date":"2025-03-06T15:04:06","date_gmt":"2025-03-06T07:04:06","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=5362"},"modified":"2025-03-06T15:04:06","modified_gmt":"2025-03-06T07:04:06","slug":"gost-20295","status":"publish","type":"page","link":"https:\/\/uniasen.com\/pt\/padroes\/gost-20295\/","title":{"rendered":"GOST 20295"},"content":{"rendered":"<div id=\"page-header-267778254\" class=\"page-header-wrapper\">\n  <div class=\"page-title dark featured-title\">\n\n        <div class=\"page-title-bg\">\n      <div class=\"title-bg fill bg-fill\"\n        data-parallax-container=\".page-title\"\n        data-parallax-background\n data-parallax=\"-\">\n      <\/div>\n      <div class=\"title-overlay fill\"><\/div>\n    <\/div>\n    \n    <div class=\"page-title-inner container align-center flex-row medium-flex-wrap\" >\n              <div class=\"title-wrapper flex-col text-left medium-text-center\">\n          <h1 class=\"entry-title mb-0\">\n            GOST 20295          <\/h1>\n        <\/div>\n                    <div class=\"title-content flex-col flex-right text-right medium-text-center\">\n        <div class=\"title-breadcrumbs pb-half pt-half\"><\/div>      <\/div>\n    <\/div>\n\n     \n<style>\n#page-header-267778254 .title-bg {\n  background-image: url(https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-carbon-steel-pipe-manufacturer-header.webp);\n}\n<\/style>\n  <\/div>\n    <\/div>\n  \n\t<div id=\"gap-1142247790\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1142247790 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_1895774595\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row align-middle\"  id=\"row-1379889988\">\n\n\t<div id=\"col-1100860556\" class=\"col medium-12 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_829267971\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory.webp\" class=\"attachment-original size-original\" alt=\"f\u00e1brica de tubos de linha do fornecedor de tubos de serra da China\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_829267971 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-3296905\" class=\"col medium-12 small-12 large-6 medium-col-first\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Tubo soldado de a\u00e7o carbono GOST 20295<\/h2>\n<p>O GOST 20295 \u00e9 um padr\u00e3o russo que especifica tubos soldados de a\u00e7o para uso nos principais gasodutos e oleodutos, tanto do tipo soldado longitudinalmente quanto do tipo soldado em espiral. Eles s\u00e3o feitos de a\u00e7o carbono ou a\u00e7o de baixa liga.<\/p>\n<p>Esses tubos variam em di\u00e2metro de 159 a 820 mm e s\u00e3o projetados para aplica\u00e7\u00f5es de alta press\u00e3o em oleodutos, gasodutos e tubula\u00e7\u00f5es industriais. Ideais para transportar hidrocarbonetos e apoiar infraestruturas cr\u00edticas, os tubos GOST 20295 s\u00e3o amplamente usados nos setores de energia e constru\u00e7\u00e3o.<\/p>\n<div class=\"row\"  id=\"row-849057104\">\n\n\t<div id=\"col-1459840631\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Obter uma cota\u00e7\u00e3o gratuita<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1895774595 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1109495264\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-684952878\">\n\n\t<div id=\"col-1523218453\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b><\/b><span class=\"section-title-main\" >Dimens\u00e3o GOST 20295<\/span><b><\/b><\/h2><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1504067217\">\n\n\t<div id=\"col-1769597628\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div style=\"overflow: auto; \" >\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" height=\"\u201d120px\u201d\" align=\"\u201dcenter\u201d\" >\n<thead>\n<tr>\n<th rowspan=\"2\">Cargas, di\u00e2metros, mm<\/th>\n<th colspan=\"16\">Peso te\u00f3rico de 1 m de tubo, kg<\/th>\n<\/tr>\n<tr>\n<th>3,0<\/th>\n<th>3,5<\/th>\n<th>4,0<\/th>\n<th>4,5<\/th>\n<th>5,0<\/th>\n<th>5,5<\/th>\n<th>6,0<\/th>\n<th>6,5<\/th>\n<th>7,0<\/th>\n<th>7,5<\/th>\n<th>8,0<\/th>\n<th>8,5<\/th>\n<th>9<\/th>\n<th>10<\/th>\n<th>11<\/th>\n<th>12<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>159<\/td>\n<td>11,54<\/td>\n<td>13,42<\/td>\n<td>15,29<\/td>\n<td>17,15<\/td>\n<td>18,99<\/td>\n<td>20,82<\/td>\n<td>22,64<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>168<\/td>\n<td>12,21<\/td>\n<td>14,2<\/td>\n<td>16,18<\/td>\n<td>18,15<\/td>\n<td>20,10<\/td>\n<td>22,04<\/td>\n<td>23,97<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>219<\/td>\n<td>15,98<\/td>\n<td>18,60<\/td>\n<td>21,21<\/td>\n<td>23,81<\/td>\n<td>26,39<\/td>\n<td>28,96<\/td>\n<td>31,52<\/td>\n<td>34,06<\/td>\n<td>36,6<\/td>\n<td>39,12<\/td>\n<td>41,63<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>245<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>23,77<\/td>\n<td>26,69<\/td>\n<td>29,59<\/td>\n<td>32,49<\/td>\n<td>35,37<\/td>\n<td>38,23<\/td>\n<td>41,09<\/td>\n<td>43,93<\/td>\n<td>46,76<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>273<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>31,67<\/td>\n<td>29,80<\/td>\n<td>33,05<\/td>\n<td>36,28<\/td>\n<td>39,51<\/td>\n<td>42,72<\/td>\n<td>45,92<\/td>\n<td>49,11<\/td>\n<td>52,28<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>325<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>35,57<\/td>\n<td>39,46<\/td>\n<td>43,34<\/td>\n<td>47,2<\/td>\n<td>51,05<\/td>\n<td>54,9<\/td>\n<td>58,73<\/td>\n<td>62,54<\/td>\n<td>66,35<\/td>\n<td>70,14<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>377<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>41,34<\/td>\n<td>45,87<\/td>\n<td>50,39<\/td>\n<td>54,9<\/td>\n<td>59,39<\/td>\n<td>63,87<\/td>\n<td>68,34<\/td>\n<td>72,80<\/td>\n<td>77,25<\/td>\n<td>81,68<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>426<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>51,91<\/td>\n<td>57,04<\/td>\n<td>62,15<\/td>\n<td>67,25<\/td>\n<td>72,33<\/td>\n<td>77,41<\/td>\n<td>82,47<\/td>\n<td>87,52<\/td>\n<td>92,56<\/td>\n<td>102,59<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>530<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>64,74<\/td>\n<td>71,14<\/td>\n<td>77,54<\/td>\n<td>83,92<\/td>\n<td>90,29<\/td>\n<td>90,64<\/td>\n<td>102,99<\/td>\n<td>109,32<\/td>\n<td>115,84<\/td>\n<td>128,24<\/td>\n<td>140,79<\/td>\n<td>153,3<\/td>\n<\/tr>\n<tr>\n<td>630<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>77,07<\/td>\n<td>84,71<\/td>\n<td>92,33<\/td>\n<td>99,95<\/td>\n<td>107,55<\/td>\n<td>115,14<\/td>\n<td>122,72<\/td>\n<td>130,28<\/td>\n<td>137,83<\/td>\n<td>152,9<\/td>\n<td>167,92<\/td>\n<td>182,89<\/td>\n<\/tr>\n<tr>\n<td>720<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>88,17<\/td>\n<td>96,91<\/td>\n<td>105,65<\/td>\n<td>114,37<\/td>\n<td>123,09<\/td>\n<td>131,79<\/td>\n<td>140,47<\/td>\n<td>149,15<\/td>\n<td>157,81<\/td>\n<td>175,1<\/td>\n<td>192,34<\/td>\n<td>209,52<\/td>\n<\/tr>\n<tr>\n<td>820<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>100,50<\/td>\n<td>110,48<\/td>\n<td>120,45<\/td>\n<td>130,4<\/td>\n<td>140,35<\/td>\n<td>150,28<\/td>\n<td>160,20<\/td>\n<td>170,11<\/td>\n<td>180,00<\/td>\n<td>199,76<\/td>\n<td>219,46<\/td>\n<td>239,12<\/td>\n<\/tr>\n<tr>\n<td colspan=\"17\">Observa\u00e7\u00f5es:<\/td>\n<\/tr>\n<tr>\n<td colspan=\"17\">A massa te\u00f3rica \u00e9 determinada com base nas dimens\u00f5es nominais (sem considerar altera\u00e7\u00f5es na largura) com uma densidade de a\u00e7o de 7,85 t\/cm\u00b3,&nbsp;&nbsp;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"17\">Para os tubos do tipo 2, a massa te\u00f3rica aumenta em 1,5% devido ao refor\u00e7o da solda; para os tubos do tipo 3, em 1%,&nbsp;&nbsp;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"17\">Se necess\u00e1rio, os tubos com espessura de parede inferior a 5 mm podem ser fabricados com uma se\u00e7\u00e3o transversal de solda de pelo menos 0,1 mm,)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1109495264 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n@media (min-width:550px) {\n  #section_1109495264 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_330140489\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1764769736\">\n\n\t<div id=\"col-1461131319\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b><\/b><span class=\"section-title-main\" >Classes de tubos de a\u00e7o GOST 20295<\/span><b><\/b><\/h2><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1377300173\">\n\n\t<div id=\"col-1318154882\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<p>A GOST 20295 especifica os requisitos t\u00e9cnicos para tubos soldados de a\u00e7o para gasodutos e oleodutos, incluindo os tipos soldados longitudinais e em espiral. A norma especifica v\u00e1rios graus de resist\u00eancia com base na resist\u00eancia m\u00ednima de rendimento. Veja abaixo uma introdu\u00e7\u00e3o aos diferentes graus relacionados a essa norma.<\/p>\n<ul>\n<li>K34: essa classe tem uma resist\u00eancia m\u00ednima ao escoamento de 343 MPa (cerca de 34 kgf\/mm\u00b2). \u00c9 adequado para tubula\u00e7\u00f5es de baixa press\u00e3o ou aplica\u00e7\u00f5es menos exigentes e pode ser usado para fins gerais no transporte de petr\u00f3leo e g\u00e1s.<\/li>\n<li>K38: com uma resist\u00eancia m\u00ednima de 382 MPa (cerca de 38 kgf\/mm\u00b2), \u00e9 mais resistente e adequado para tubula\u00e7\u00f5es de m\u00e9dia press\u00e3o. \u00c9 ideal para aplica\u00e7\u00f5es industriais m\u00e9dias.<\/li>\n<li>K42: o tubo K42 tem uma resist\u00eancia m\u00ednima de rendimento de 422 MPa (cerca de 42 kgf\/mm\u00b2) e \u00e9 projetado para ambientes de alta press\u00e3o.<\/li>\n<li>K50: essa classe tem um limite de escoamento m\u00ednimo de 507 MPa (cerca de 50 kgf\/mm\u00b2) e possui fortes propriedades mec\u00e2nicas. Os tubos K50 s\u00e3o usados em tubula\u00e7\u00f5es de alta press\u00e3o, incluindo transporte de petr\u00f3leo e g\u00e1s de longa dist\u00e2ncia.<\/li>\n<li>K52: com um limite de elasticidade m\u00ednimo de 529 MPa (aprox. 52 kgf\/mm\u00b2), foi projetado para condi\u00e7\u00f5es exigentes. S\u00e3o frequentemente usados em projetos de infraestrutura cr\u00edtica, como os principais gasodutos.<\/li>\n<li>K55: com um limite de escoamento m\u00ednimo de 552 MPa (aprox. 55 kgf\/mm\u00b2), essa classe tem alta resist\u00eancia \u00e0 tra\u00e7\u00e3o e tenacidade. Os tubos K55 s\u00e3o adequados para oleodutos e gasodutos de alta press\u00e3o e s\u00e3o frequentemente usados em ambientes desafiadores, como o \u00c1rtico ou \u00e1reas offshore.<\/li>\n<li>K60: Entre essas classes, os tubos K60 t\u00eam o maior limite de escoamento m\u00ednimo de 588 MPa (aprox. 60 kgf\/mm\u00b2) e s\u00e3o projetados para aplica\u00e7\u00f5es de press\u00e3o e tens\u00e3o extremamente altas. Eles s\u00e3o usados com frequ\u00eancia nos sistemas de oleodutos e gasodutos mais exigentes.<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_330140489 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n@media (min-width:550px) {\n  #section_330140489 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1729239082\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1450173233\">\n\n\t<div id=\"col-63050417\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b><\/b><span class=\"section-title-main\" >GOST 20295 Requisito qu\u00edmico<\/span><b><\/b><\/h2><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1174158370\">\n\n\t<div id=\"col-1431705265\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div style=\"overflow: auto; \" >\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" height=\"\u201d120px\u201d\" align=\"\u201dcenter\u201d\" >\n<thead>\n<tr>\n<th>Grau<\/th>\n<th>Carbono (C)<\/th>\n<th>Mangan\u00eas (Mn)<\/th>\n<th>Sil\u00edcio (Si)<\/th>\n<th>Enxofre (S)<\/th>\n<th>F\u00f3sforo (P)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>K34<\/td>\n<td>0.12% &#8211; 0.18%<\/td>\n<td>0.30% &#8211; 0.70%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,045%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<tr>\n<td>K38<\/td>\n<td>0.16% &#8211; 0.22%<\/td>\n<td>0.50% &#8211; 0.90%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,045%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<tr>\n<td>K42<\/td>\n<td>0.20% &#8211; 0.26%<\/td>\n<td>0.80% &#8211; 1.20%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,045%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<tr>\n<td>K50<\/td>\n<td>0.25% &#8211; 0.32%<\/td>\n<td>1.00% &#8211; 1.40%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<tr>\n<td>K52<\/td>\n<td>0.28% &#8211; 0.36%<\/td>\n<td>1.10% &#8211; 1.50%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<tr>\n<td>K55<\/td>\n<td>0.32% &#8211; 0.40%<\/td>\n<td>1.20% &#8211; 1.60%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<tr>\n<td>K60<\/td>\n<td>0.35% &#8211; 0.45%<\/td>\n<td>1.30% &#8211; 1.70%<\/td>\n<td>m\u00e1ximo 0,25%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<td>m\u00e1ximo 0,035%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1729239082 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n@media (min-width:550px) {\n  #section_1729239082 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_924930280\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-903695075\">\n\n\t<div id=\"col-878100227\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b><\/b><span class=\"section-title-main\" >Requisito mec\u00e2nico GOST 20295<\/span><b><\/b><\/h2><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-440916217\">\n\n\t<div id=\"col-1682160969\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<table>\n<thead>\n<tr>\n<th>Grau<\/th>\n<th>Resist\u00eancia \u00e0 tra\u00e7\u00e3o, MPa<\/th>\n<th>Limite de rendimento, MPa<\/th>\n<th>Alongamento, %<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>K34<\/td>\n<td>334<\/td>\n<td>206<\/td>\n<td>24<\/td>\n<\/tr>\n<tr>\n<td>K38<\/td>\n<td>373<\/td>\n<td>235<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>K42<\/td>\n<td>412<\/td>\n<td>245<\/td>\n<td>21<\/td>\n<\/tr>\n<tr>\n<td>K50<\/td>\n<td>491<\/td>\n<td>343<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>K52<\/td>\n<td>510<\/td>\n<td>353<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>K55<\/td>\n<td>540<\/td>\n<td>373<\/td>\n<td>20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_924930280 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n@media (min-width:550px) {\n  #section_924930280 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_2059380574\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1277191819\">\n\n\t<div id=\"col-1077595342\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b><\/b><span class=\"section-title-main\" >Produtos relacionados<\/span><b><\/b><\/h2><\/div>\n\n\t<section class=\"section\" id=\"section_1695993869\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1896559067\">\n\n\n\t<div id=\"col-1166542047\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"slider-wrapper relative\" id=\"slider-605488487\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{            \"cellAlign\": \"center\",            \"imagesLoaded\": true,            \"lazyLoad\": 1,            \"freeScroll\": false,            \"wrapAround\": true,            \"autoPlay\": 6000,            \"pauseAutoPlayOnHover\" : true,            \"prevNextButtons\": true,            \"contain\" : true,            \"adaptiveHeight\" : true,            \"dragThreshold\" : 10,            \"percentPosition\": true,            \"pageDots\": true,            \"rightToLeft\": false,            \"draggable\": true,            \"selectedAttraction\": 0.1,            \"parallax\" : 0,            \"friction\": 0.6        }'\n        >\n        \n\n<div class=\"row\"  id=\"row-912324648\">\n\n\n\t<div id=\"col-521531790\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2112267142\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-erw\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe.webp\" class=\"attachment-original size-original\" alt=\"Fabricante de tubos ERW na China\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_2112267142 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1333178274\" class=\"text\">\n\t\t\n\n<p><strong>Tubo soldado<\/strong><\/p>\n\t\t\n<style>\n#text-1333178274 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1333178274 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-39855745\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1160955876\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe.webp\" class=\"attachment-original size-original\" alt=\"Fabricante e fornecedor de tubos de a\u00e7o para serra\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1160955876 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3325897799\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o SSAW<\/strong><\/p>\n\t\t\n<style>\n#text-3325897799 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3325897799 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1185906773\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_197145400\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/secoes-ocas\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier.webp\" class=\"attachment-original size-original\" alt=\"se\u00e7\u00e3o oca de a\u00e7o - se\u00e7\u00e3o estrutural oca - Uniasen\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_197145400 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-4099044868\" class=\"text\">\n\t\t\n\n<p><strong>Se\u00e7\u00e3o estrutural oca<\/strong><\/p>\n\t\t\n<style>\n#text-4099044868 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-4099044868 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1255275032\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1481283000\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-sem-costura\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe.webp\" class=\"attachment-original size-original\" alt=\"Tubo de a\u00e7o sem costura - Tubo SMLS\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1481283000 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1392979464\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o sem costura<\/strong><\/p>\n\t\t\n<style>\n#text-1392979464 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1392979464 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1020349962\">\n\n\n\t<div id=\"col-1788775529\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1201309983\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/acessorios-para-tubos\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"acess\u00f3rios para tubos da china - acess\u00f3rios para tubos de a\u00e7o carbono\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1201309983 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2883311080\" class=\"text\">\n\t\t\n\n<p><strong>Conex\u00f5es para tubos Conex\u00f5es para tubos<\/strong><\/p>\n\t\t\n<style>\n#text-2883311080 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2883311080 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1346747397\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_82787065\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/steel-pipe-standards\/fire-sprinkler-pipe\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_82787065 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-534350591\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de sprinklers contra inc\u00eandio<\/strong><\/p>\n\t\t\n<style>\n#text-534350591 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-534350591 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1747336139\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1142190757\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/steel-pipe-standards\/line-pipe\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1142190757 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3922546594\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de linha<\/strong><\/p>\n\n\t\t\n<style>\n#text-3922546594 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3922546594 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-64279236\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2030116183\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/steel-pipe-standards\/astm-a106\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_2030116183 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3783567996\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o sem costura ASTM A106<\/strong><\/p>\n\t\t\n<style>\n#text-3783567996 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3783567996 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n     <\/div>\n\n     <div class=\"loading-spin dark large centered\"><\/div>\n\n\t<\/div>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1695993869 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2059380574 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n@media (min-width:550px) {\n  #section_2059380574 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":10,"featured_media":0,"parent":2187,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-5362","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GOST 20295 Carbon Steel Welded Pipe\u200b Factory - UNIASEN<\/title>\n<meta name=\"description\" content=\"GOST 20295 defines high-quality welded steel pipes for oil and gas pipelines, with diameters from 159 to 820 mm. 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