DIN1629 introduction and specification
DIN1629 is the standard of the seamless alloy steel pipeline with special quality requirements. The main steel grades contain DIN1629 ST37.0, DIN1629 ST44.0 and DIN1629 ST52.0.★ Name: DIN1629 seamless alloy steel line pipe
★ Standard: DIN1629/EN10216-1
★ Size: O.D.: 28-168;
W.T.: 2∼30;
L: max 12000
★ Specifications:
Diameter 320 to 127 mm;
Thickness: 0.4 to 12.7 mm;
Length: 6 m and above; and other
★ Applications: DIN1629 seamless steel pipeline is used for manufacturing pipeline, vessel, equipment and pipe fittings.
★ Delivery: Full-annealed, normalized, BKS(stress-relieving), BKW, BK
★ Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements.
★ Painting: Just as customers’ required! Oil-coating, varnish, or end-protection by plastic caps to be confirmed.
Features Specifications:
OD (mm) | Wall Thickness Unit (mm) | |||||||||||||
2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 6.5-7 | 7.5-8 | 8.5-9 | 9.5-10 | 11 | 12 | |
Φ25-Φ28 | ● | ● | ● | ● | ● | ● | ||||||||
Φ32 | ● | ● | ● | ● | ● | ● | ||||||||
Φ34-Φ36 | ● | ● | ● | ● | ● | ● | ||||||||
Φ38 | ● | ● | ● | ● | ● | ● | ||||||||
Φ40 | ● | ● | ● | ● | ● | |||||||||
Φ42 | ● | ● | ● | ● | ● | |||||||||
Φ45 | ● | ● | ● | ● | ● | ● | ||||||||
Φ48-Φ60 | ● | ● | ● | ● | ● | ● | ● | |||||||
Φ63.5 | ● | ● | ● | ● | ● | ● | ● | |||||||
Φ68-Φ73 | ● | ● | ● | ● | ● | ● | ||||||||
Φ76 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ80 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ83 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ89 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ95 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ102 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ108 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
Φ114 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ121 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ127 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ133 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
Φ140 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ146 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ152 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ159 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
Φ168 | ● | ● | ● | ● | ● | ● | ● |
Seamless Alloy Steel Line Pipe |
|
Applications: |
Pipelines, Vessels, Machinery, Pipe fittings |
Size (mm): |
O.D.: 6.0~219.0; W.T.: 1~30; L: max 12000 |
Steel, Chemical Composition (DIN1629):
Standard |
Grade |
Chemical Composition |
Mechanical Properties |
||||||||
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
(MPa) |
(MPa) |
(%) |
||
DIN1629 |
St35.8/St37.5 |
≤0.17 |
/ |
/ |
0.04 |
0.04 |
/ |
/ |
350~480 |
≥235 |
≥25 |
St52.0/St52.3 |
≤0.22 |
≤0.55 |
≤0.17 |
0.04 |
0.04 |
/ |
/ |
500~560 |
≥270 |
≥21 |
Steel,Chemical Composition(EN10216-1):
Standard |
Grade |
Chemical Composition |
Mechanical Property |
|||||||||
C |
Si |
Mn |
P≤ |
S≤ |
Cr≤ |
Mo |
(MPa) |
(MPa) |
|
|||
L |
t |
|||||||||||
EN10216-1 |
P195TR1 |
≤0.13 |
≤0.35 |
≤0.70 |
0.025 |
0.020 |
0.30 |
≤0.08 |
320~440 |
≥195 |
≥27 |
≥25 |
P235TR1 |
≤0.16 |
≤0.35 |
≤1.20 |
0.025 |
0.020 |
0.30 |
≤0.08 |
360~500 |
≥235 |
≥25 |
≥23 |
|
P265TR1 |
≤0.20 |
0.40 |
1.40 |
0.025 |
0.020 |
0.30 |
≤0.08 |
410~570 |
≥265 |
≥23 |
≥19 |