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Staalkwaliteit:DIN17175 St35.8 DIN17175 St45.8 15 mo3 13 crmo44 10 crmo910 chemische samenstelling van DIN 17175 naadloze成田pijpen standaard年级chemische samenstelling grenzen (%) C Si Mn P, S Cr钼DIN 17175 St35.8≤0.17 0.10 -0.35 0.40 -0.80≤0.030 / / St45.8≤0.21 0.10 -0.35 0.40 -1.20≤0.030 / / 15 mo3 0.12 -0.20 0.10 -0.35 0.40 -0.80 -0.35≤0.030/0.25 13CrMo440.10-0.18 0.10-0.35 0.40-0.70≤0.030 0.70-1.10 0.45-0.65CrMo910德国DIN 17175 St35.8 360-480≥235≥25 St45.8 410-530≥255≥21 15Mo3 450-600≥270≥20 13 .机械特征schappen DIN 17175 naadloze ketel pijpen standard Grade treksterkte (MPa) Vloeispanning (MPa) Rek (%CrMo4410 .参数名称参数说明参数取值CrMo910≥280≥18 DIN 17175 naadloze ketel buis wordt op grote schaal[…]