Material: ASTM A335
1) Pipe Diameter: 1/2"-12"
2) Thickness: 2mm-20mm
3) Steel grade: P1 P2 P5 P11 P12 P91
4) Surface: Oiled or black painted to prevent rust
5) Marking: As per customer's requirement
6)Material types: Chrome Moly Alloy
7)Manufacturing types: Seamless pipe by hot rolled or cold drawn
8)Surface treatment: Polished, Varnished, 3PE, FBE
9)Ends: PE (Plain End), BE (Beveled Ends)
10) Packing: Bundles or seaworthy wooden cases
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 | |||||||
P91 | 0.08~0.12 | 0.2~0.5 | 0.3~0.6 | ≤ 0.02 | ≤ 0.01 | 8.0~9.5 | 0.85~1.05 | ≤ 0.4 | 0.18~0.25 | ≤ 0.015 | 0.06~0.10 | 0.03~0.07 | ||
P92 | 0.07~0.13 | ≤ 0.5 | 0.3~0.6 | ≤ 0.02 | ≤ 0.01 | 8.5~9.5 | 0.3~0.6 | B0.001 0.006 | ≤ 0.4 | 0.15~0.25 | ≤ 0.015 | 1.5~2.0 | 0.04~0.09 | 0.03~0.07 |
Mechanical Properties | ||||||||||||||
Grade | Tensile strength(MPa) | Yield strength(MPa) | Elongation(%) | Impact energy(J) | Hardness | |||||||||
P11 | ≥ 415 | ≥ 205 | ≥ 22 | ≥ 35 | ≤ 163HB | |||||||||
P12 | ≥ 415 | ≥ 220 | ≥ 22 | ≥ 35 | ≤ 163HB | |||||||||
P22 | ≥ 415 | ≥ 205 | ≥ 22 | ≥ 35 | ≤ 163HB | |||||||||
P5 | ≥ 415 | ≥ 205 | ≥ 22 | ≥ 35 | ≤ 187HB | |||||||||
P91 | 585~760 | ≥ 415 | ≥ 20 | ≥ 35 | ≤ 250HB | |||||||||
P92 | ≥ 620 | ≥ 440 | ≥ 20 | ≥ 35 | 250HB |
