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Help CenterLow Price!! High Pressure Vessel, Gas Cylinder Pipes,made in China
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Specifications
1.High quality , competitive price and delivery fast2.For the manufacture of pressure vessels, gas cylinders seamless.
Standard:
GB 18248--------- China National Standard
JIS G3429-------- Japanese Industrial Standards
Purpose:
For the manufacture of pressure vessels, gas cylinders seamless.
The main production steel grades:
37Mn,34Mn2V,30CrMo,35CrMo,STH11,STH12,STH21,STH22 etc.
Mechanical properties:
Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) |
GB18248 | 37Mn | ≥750 | ≥630 | ≥16 |
34Mn2V | ≥745 | ≥530 | ≥16 | |
30CrMo | ≥930 | ≥785 | ≥12 | |
35CrMo | ≥980 | ≥835 | ≥12 |
Chemical composition:
Standard | model | Chemical Composition | ||||||||
C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V | ||
GB18248 | 37Mn | 0.34~0.40 | 0.10~0.30 | 1.35~1.65 | ≤0.030 | ≤0.20 | ≤0.30 | / | ≤0.30 | / |
34Mn2V | 0.30~0.37 | 0.17~0.37 | 1.40~1.75 | ≤0.030 | ≤0.20 | ≤0.30 | / | ≤0.30 | 0.07~0.12 | |
30CrMo | 0.26~0.34 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | ≤0.20 | ≤0.30 | 0.15~0.25 | 0.80~1.10 | / | |
35CrMo | 0.32~0.40 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | ≤0.20 | ≤0.30 | 0.15~0.25 | 0.80~1.10 | / | |
JIS G3429 | STH11 | ≤0.50 | 0.10~0.35 | ≤1.80 | ≤0.035 | / | / | / | / | / |
STH12 | 0.30~0.41 | 0.10~0.35 | 1.35~1.70 | ≤0.030 | / | / | / | / | / | |
STH21 | 0.25~0.35 | 0.15~0.35 | 0.40~0.90 | ≤0.030 | / | ≤0.25 | 0.15~0.30 | 0.80~1.20 | / | |
STH22 | 0.33~0.38 | 0.15~0.35 | 0.40~0.90 | ≤0.030 | / | ≤0.25 | 0.15~0.30 | 0.80~1.20 | / | |
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