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≤ | Ni≤ | Cr≤ | Mo | V≤ | |
T2 | 0.1~0.2 | 0.3~0.61 | 0.025 | 0.025 | 0.1~0.3 | 0.5~0.81 | 0.44~0.65 | ||
T5 | 0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.50 | 4~6 | 0.45~0.65 | ||
T9 | 0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.25~1.0 | 8~10 | 0.9~1.1 | ||
T11 | 0.05~0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.5~1.0 | 1~5 | 0.44~0.65 | ||
T12 | 0.05~0.15 | 0.3~0.61 | 0.025 | 0.025 | 0.5 | 0.8~1.25 | 0.44~0.65 | ||
T21 | 0.05~0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.5~1.0 | 2.65~3.3 | 0.8~1.06 | ||
T22 | 0.05~0.15 | 0.3~0.6 | 0.025 | 0.025 | 0.5 | 1.9~2.6 | 0.87~1.13 | ||
T91 | 0.07~0.14 | 0.3~0.6 | 0.020 | 0.010 | 0.2~0.5 | 0.4 | 8~9.5 | 0.85~1.05 | 0.18~0.25 |
T92 | 0.07~0.13 | 0.3~0.6 | 0.020 | 0.010 | 0.5 | 0.4 | 8.5~9.5 | 0.3~0.6 | 0.15~0.25 |
T122 | 0.07~0.14 | 0.3~0.6 | 0.020 | 0.010 | 0.5 | 0.5 | 10~11.5 | 0.25~0.6 | 0.15~0.30 |
Steel Grade | Mechanical Properties | ||||||||
Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | |||||||
T2 | 415 | 205 | 30 | ||||||
T5 | 415 | 205 | 30 | ||||||
T9 | 415 | 205 | 30 | ||||||
T11 | 415 | 205 | 30 | ||||||
T12 | 415 | 220 | 30 | ||||||
T21 | 415 | 205 | 30 | ||||||
T22 | 415 | 205 | 30 | ||||||
T91 | 585 | 415 | 20 | ||||||
T92 | 620 | 440 | 20 | ||||||
T122 | 620 | 440 | 20 | ||||||
