DIN 1630

dikişsiz çelik boru_Dikişsiz API 5L Hat Borusu

DIN 1630 Carbon Steel Seamless Pipes Supplier in China

Standart Genel Bakış:
DIN 1630 is a German standard that specifies high-performance carbon steel seamless pipes and tubes. It sets delivery conditions for high-quality, seamless, round, non-alloy steel tubes. DIN 1630 has been mostly withdrawn. It has been replaced by EN 10305-1, a European standard for precision steel tubes. However, DIN 1630 is still referenced for older or legacy applications.

Ana Malzemeler:
Carbon Steel. Specifically, it covers low-carbon steel pipes with different carbon contents:

  • St 37.4 grade: carbon content up to 0.17%, manganese content down to 0.35%
  • St 52.4 grade: carbon content up to 0.22%, manganese content up to 1.60%

Uygulamalar:
DIN 1630 steel pipes are used in high-performance, high-quality environments, including:

  • Chemical plant construction
  • Container manufacturing
  • General mechanical engineering purposes
  • Hydraulic systems (seamless hydraulic carbon steel pipes)

Why Choose UNIASEN DIN 1630 Carbon Steel Pipe?

  • Our DIN 1630 seamless carbon steel pipes are made from non-alloy steel. They are seamless, round, and designed for high-performance use.
  • With no limits on working pressure, these pipes are flexible for many uses. They can withstand temperatures up to 300 degrees Celsius. So, they are a reliable choice for demanding environments.
  • Our ST37.4 steel grade is particularly popular for its excellent mechanical properties and versatility. This steel grade meets high-performance standards. It is ideal for building chemical plants, vessels, pipelines, and for general mechanical engineering.
  • Our DIN 1630 seamless carbon steel pipes have detailed specs. They include dimensions, production procedures, steel grades, surface coatings, end types, joint methods, and processing services.
  • We have the perfect solution for you. Whether you need large-diameter pipes for high flow rates or small-diameter pipes for precision applications.

DIN1630 Pipe Standard Specifications

Standart DIN1630
Prosedür SMLS
Boyutlar 10.3mm -660mm
  1/8″ – 26″
  DN6-DN650
Kalınlık 1.73mm – 65mm
  3 - 12 mtr
Çelik Sınıfı St 37.4
  St 44.4
  St 52.4
Yüzey Kaplama Black lacquer coating,Varnishing, Oiling, Hot Dip Galvanizing
  FBE, 2PP, 3PP, 2PE, 3PE
Uç Tipi Düz, Eğimli, Dişli, Yivli ， Omuzlu
Ortak Yöntem Fitting, Flanş, Kaplin, Kelepçe, Boru Omuzu, Kaynak
Boru İşleme Kaynak, Bükme, Delik Delme, Delme, Swaging, Konikleştirme, Genişletme

Boyut

Dışarıda
Çap		 Boru Kalınlığı （mm）
mm 1.6 1.8 2 2.3 2.6 2.9 3.2 3.6 4.0 4.5 5 5.6 6.3 7.1 8.0 8.8 10 11 12.5 14.2 16 17.5 20 22.7 25 28 30 32 36 40 45 50 55 60 65
10.2 ● ● ● ● ●
13.5 ● ● ● ● ● ● ●
16 ● ● ● ● ● ● ● ●
17.2 ● ● ● ● ● ● ● ● ●
19 ● ● ● ● ● ● ● ● ●
20 ● ● ● ● ● ● ● ● ●
21.3 ● ● ● ● ● ● ● ● ●
25 ● ● ● ● ● ● ● ● ● ● ●
25.4 ● ● ● ● ● ● ● ● ● ● ●
26.9 ● ● ● ● ● ● ● ● ● ● ● ●
30 ● ● ● ● ● ● ● ● ● ● ●
31.8 ● ● ● ● ● ● ● ● ● ● ● ●
33.7 ● ● ● ● ● ● ● ● ● ● ● ●
38 ● ● ● ● ● ● ● ● ● ● ● ●
42.4 ● ● ● ● ● ● ● ● ● ● ● ● ●
44.5 ● ● ● ● ● ● ● ● ● ● ● ● ● ●
48.3 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
51 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
54 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
57 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
60.3 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
63.5 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
70 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
73 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
76.1 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
82.5 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
88.9 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
101.6 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
108 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
114.3 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
127 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
133 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
139.7 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
152.4 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
159 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
168.3 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
177.8 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
193.7 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
219.1 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
244.5 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
273 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
323.9 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
355.6 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
406.4 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
457 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
508 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
559 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
610 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
660 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●

Kimyasal Gereksinim

High performance seamless circular unalloyed steel tubes
Sınıf Material
Sayı		 Chemical Composition % Mekanik Özellikler
C
maksimum.		 Mn
maksimum.		 P
maksimum.		 S
maksimum.		 Si
maksimum.		 U.T.S Mpa
（min.）		 Y.S.Mpa
（min.）		 El% Impact Energy V
Notch J
Longi. Tranv. Longi. Tranv.
St 37.4 1.0255 0.170 ≥0.35 0.040 0.040 0.035 350 to 480 235 25 23 43 27
St 44.4 1.0257 0.200 ≥0.40 0.040 0.040 0.035 420 to 550 275 21 19 43 27
St 52.4 1.0581 0.220 ≤1.60 0.040 0.035 0.550 500 to 650 355 21 19 43 27

Mekanik Gereksinim

High performance seamless circular unalloyed steel tubes
Sınıf Material
Sayı		 Chemical Composition % Mekanik Özellikler
C
maksimum.		 Mn
maksimum.		 P
maksimum.		 S
maksimum.		 Si
maksimum.		 U.T.S Mpa
（min.）		 Y.S.Mpa
（min.）		 El% Impact Energy V
Notch J
Longi. Tranv. Longi. Tranv.
St 37.4 1.0255 0.170 ≥0.35 0.040 0.040 0.035 350 to 480 235 25 23 43 27
St 44.4 1.0257 0.200 ≥0.40 0.040 0.040 0.035 420 to 550 275 21 19 43 27
St 52.4 1.0581 0.220 ≤1.60 0.040 0.035 0.550 500 to 650 355 21 19 43 27

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