Lu'ou Rd,West Hudai Industrail Zone, Binhu District, Wuxi City, Jiangsu, China. Sales Dept. I0510-85586206 0510-85589971
StandardChinese GB/T8163
Application： It is used for conveying water,petroleum,gas and other common fluids.
Main steel pipe grade1020Other grade is also negotiable.
Chemical Compositon & Mechanical Propertise
Standard | Grade | Chemical Compositon(%) | ||||||
C | Mn | Si | Cr | Ni | Cu | P.S | ||
GB/T8163 | 10 | 0.07~0.13 | 0.35~0.65 | 0.17~0.37 | ≤ 0.15 | ≤ 0.30 | ≤ 0.25 | ≤ 0.030 |
20 | 0.17~0.23 | 0.35~0.65 | 0.17~0.37 | ≤ 0.25 | ≤ 0.25 | ≤ 0.25 | ≤ 0.030 | |
Q345 | 0.12~0.20 | 1.20~1.60 | 0.20~0.55 | ≤ 0.030 | ||||
Mechanical Propertise | Tensile StrengthMpa | YieldStrength(Mpa) | Elongation（%） | |||||
10 | 335~475 | ≥ 205 | ≥ 24 | |||||
20 | 410~550 | ≥ 245 | ≥ 20 | |||||
Q345 | 490~665 | ≥ 325 | ≥ 21 | |||||
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