S355j2h / Din st52 Alloy Boiler Tube / Seamless Steel Pipe For Power Plants
Specifications
2.grade: P5, P9, P11, P12, P22, P91, P92
3.OD: 6-1200mm, WT: 1-150mm
Product Description
s355j2h alloy seamless steel pipeP22 alloy steel pipea335 p11 alloy steel pipe din st52 alloy steel pipe
ASTM A335 P22 high temperature alloy steel tubeStandard: ASTM A335/ASME SA335
Steel grade: P5, P9, P11, P12, P22, P91, P92
Size: OD (6-1200mm) x WT (1-150mm)
Application: Used for boiler pipe, power plants and nuclear plants.
Chemical Composition (%) | ||||||||||||||
Grade | C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | Al | W | Nb | N |
P11 | 0.05~0.15 | 0.5~1.0 | 0.3~0.6 | ≤0.03 | ≤0.03 |
1.0~ 1.5 |
0.5~ 1.0 |
|||||||
P12 | 0.05~0.15 | ≤0.5 | 0.3~0.61 | ≤0.03 | ≤0.03 |
0.8~ 1.25 |
0.44~ 0.65 |
|||||||
P22 | 0.05~0.15 | ≤0.5 | 0.3~0.6 | ≤0.03 | ≤0.03 |
1.9~ 2.6 |
0.87~ 1.13 |
|||||||
P5 | ≤0.15 | ≤0.5 | 0.3~0.6 | ≤0.03 | ≤0.03 |
4.0~ 6.0 |
0.45~ 0.65 |