1. Application:
Alloy steel pipe applies to petroleum,chemical industry,electric power,boiler,high temperature resistant, low temperature resistant corrosion resistant seamless steel pipe used.
2. Surface Treatment:
Water-Proof black painting /Oil Coating etc.
3. Testing
Chemical composition analysis
Mechanical property
Dimension test
NDE(Ultrasonic/Eddy Current/EMI etc.)
Hydrostatic test
Other test(Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc.)
Mill Test Certificate: EN 10204/3.1B
4. Chemical and Mechanical Datas
Steel Grade | Chemical compositions | ||||||||
C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr≤ | Mo≤ | V≤ | Ni≤ | |
P1 | 0.1~0.2 | 0.3~0.8 | 0.025 | 0.025 | 0.1~0.5 | 0.44~0.65 | |||
P5 | 0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.5 | 4~6 | 0.45~0.65 | ||
P9 | 0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.25~1 | 8~10 | 0.9~1.1 | ||
P11 | 0.05~0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.5~1 | 1~1.5 | 0.44~0.65 | ||
P22 | 0.05~0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.5 | 1.9~2.6 | 0.87~1.13 | ||
P23 | 0.04~0.10 | 0.1~0.6 | 0.03 | 0.01 | 0.5 | 1.9~2.6 | 0.05~0.3 | 0.2~0.3 | 0.4 |
P91 | 0.08~0.12 | 0.3~0.6 | 0.02 | 0.01 | 0.2~0.5 | 8~9.5 | 0.85~1.05 | 0.18`0.25 | 0.4 |
P92 | 0.07~0.13 | 0.3~0.6 | 0.02 | 0.01 | 0.5 | 8.5~9.5 | 0.3~0.6 | 0.15~0.25 | 0.4 |
P911 | 0.09~0.13 | 0.3~0.6 | 0.02 | 0.01 | 0.1~0.5 | 8.5~9.5 | 0.9~1.0 | 0.18~0.25 | 0.4 |
Steel Grade | Mechanical Properties | ||||||||
Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | |||||||
P1 | 380 | 205 | 30 | ||||||
P5 | 415 | 205 | 30 | ||||||
P9 | 415 | 205 | 30 | ||||||
P11 | 415 | 205 | 30 | ||||||
P22 | 415 | 205 | 30 | ||||||
P23 | 510 | 400 | 20 | ||||||
P91 | 585 | 415 | 20 | ||||||
P92 | 620 | 440 | 20 | ||||||
P911 | 620 | 440 | 20 | ||||||
