Standard: Chinese GB3087 Application:For manufacturing ,heating-pipeliners ,containers,steaming pipeliners of low/medium pressure boilers(P<5.88Mpa,T<450℃) Main steel pipe grade : 10、20(Other grade is also negotiable.) Chemical Compositon & Mechanical Propertise : Standard | Grade | Chemical Compositon | C | Mn | Si | Cr | Ni | Cu | P.S | GB3087 | 10 | 0.07~0.14 | 0.35~0.65 | 0.17~0.37 | ≤ 0.15 | ≤ 0.30 | ≤ 0.20 | ≤ 0.030 | 20 | 0.17~0.24 | 0.35~0.65 | 0.17~0.37 | ≤ 0.25 | ≤ 0.25 | ≤ 0.20 | ≤ 0.030 | Mechanical Propertise | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | 10 | 335~475 | ≥ 195 | ≥ 24 | 20 | 410~550 | ≥ 245 | ≥ 20 |
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