usine chinoise de tubes d'acier soudés en spirale - spécifications des tubes SSAW

DIN 1626 Pipes Supplier in China

Aperçu des normes :

DIN 1626 specifies the technical requirements for welded steel pipes for pressure applications.

Main materials:

Non-alloy and low-alloy steels, with St 37.0 and St 44.0 being the most common steel grades.

Applications :

Welded steel pipes to DIN 1626 are widely used in industries that need stable pressure control. These include supply chains, processing plants, and storage tanks. They work best in low to medium temperature and pressure.

UNIASEN’s welded steel pipes strictly follow DIN 1626. This ensures high reliability and durability for various industrial uses.

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Specification Chart of DIN 1626 Pipes

Standard DIN1626
Manufacturing Progress ERW, LSAW, SSAW, SMLS
Application For petroleum/ natural gas pipeline, for conveying water, drainage, coal gas, mineral, slurry and other low-middle pressure liquids. Also for chemical industry, building,structure, heat-supply and pile driving projects
Qualité de l'acier USt37.0, St37.0, St44.0, St52.0
OD 6-820mm
WT SCH10-SCH XXS
Longueur 5.8m 6m 12m or as customer demand
Qualité de l'acier Upper yield strength values for a design temperature of 50℃, 200℃, 250℃, 300℃
Pipe surface Varnishing, Oiling, Hot Dip Galvanizing,FBE, 2PP, 3PP, 2PE, 3PE
Pipe end Plain End,Bevelling End,Threading End,Grooved End
Méthode commune Raccord, bride, accouplement, collier, épaulement de tuyau, soudage
Pipe Manufacturing Soudage, cintrage, perçage de trous, poinçonnage, rétreint, effilage, évasement, expansion

Dimension

A l'extérieur
diamètre
mm
Nominal
Épaisseur
mm
Other Thickness, mm
1.4 1.6 1.8 2 2.3 2.6 2.9 3.2 3.6 4 4.5 5 5.6 6.3 7.1 8 8.8 10 11 12.5 14.2 16 17.5 20 22.2 25 28 30 32 36 40
10.2 1.6
13.5 1.8
16 1.8
17.2 1.8
19 2
20 2
21.3 2
25 2
25.4 2
26.9 2
30 2
31.8 2
33.7 2
38 2.3
42.4 2.3
44.5 2.3
48.3 2.3
51 2.3
54 2.3
57 2.3
60.3 2.3
63.5 2.3
70 2.6
73 2.6
76.1 2.6
82.5 2.6
88.9 2.9
101.6 2.9
108 2.9
114.3 3.2
127 3.2
133 3.6
139.7 3.6
152.4 4
159 4
168.3 4
177.8 4.5
193.7 4.5
219.1 4.5
244.5 5
273 5
323.9 5.6
355.6 5.6
406.4 6.3
457 6.3
508 6.3
559 6.3
610 6.3
660 7.1
711 7.1
762 8
813 8
864 8.8
914 10
1016 10
1220
1420
1620
1820
2020
2220

Exigence chimique

Qualité de l'acier Chemical composition % by mass
Symbol Material number C P S N Addition of nitrogen fixing elements(e.g.not less than 0.020% Al total)
max.
USt 37.0 1.0253 0.2 0.04 0.04 0.007 -
St 37.0 1.0254 0.17 0.04 0.04 0.009 -
St 44.0 1.0256 0.21 0.04 0.04 0.009 -
St 52.0 1.0421 0.22 0.04 0.035 - Yes

Exigences mécaniques

Qualité de l'acier Upper Yield stress RcH for wall Thickness in mm Tensile Strength Rm Elongation after fracture Diameter of bending mandrel for the bend test on fusion welded tubes
Symbol Material number up to 16 over 16 up to 40 Longitudinal Transverse
N/mm2 min. N/mm2 % min.
USt 37.0 1.0253 235 - 350 to 480 25 23 2 S
St 37.0 1.0254 235 225 350 to 480 25 23 2 S
St 44.0 1.0256 275 265 420 to 550 21 19 3 S
St 52.0 1.0421 355 345 500 to 650 21 19 4 S

Produits apparentés

Fabricant chinois de tubes ERW

Tube soudé

Fabricant et fournisseur de tubes en acier ssaw

Tube SSAW

Tube LSAW

Tube en acier sans soudure-Tube SMLS

Tube sans soudure

raccords de tuyauterie en chine-raccords de tuyauterie en acier au carbone

Raccords de tuyauterie Raccords de tuyauterie

Tuyaux d'extincteurs automatiques

Tuyaux de canalisation

Tube en acier sans soudure ASTM A106