机械结构用不锈钢无缝钢管的牌号和化学成分.doc

机械结构用不锈钢无缝钢管的牌号和化学成分 号 化学成分 质量分数 ％ C Si Mn P S Ni Cr 其 他 00crl9Nill ≤0.030 ≤1.00 ≤2.00 ≤O．035 ≤0.030 9.00～ 13.00 18.00～ 20.00 00Cr17Ni14Mo2 ≤0.030 ≤1.00 ≤2.00 ≤O．035 ≤O．030 12.00～ 15.00 16.00～ 18.00 M02.00～3.00 0Crl9Ni9 ≤O．08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00～ 10．00 18.00～ 20.00 1Crl8Ni9 ≤O．15 ≤1.00 ≤2.00 ≤O．035 ≤0.030 8.00～ lO．00 17.00～ 19.00 1Crl8Ni9Ti ≤0.12 ≤1.00 ≤2.00 ≤O．035 ≤O．030 8.00～ 11.00 17．oo～ 19.00 Ti5 C％一O．02 ～O．80 OCrl7Nil2M02 ≤O．08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 10.00～ 14.00 16.00～ 18.00 M02.00～3.00 OCrl8Ni11NB ≤O．08 ≤1.00 ≤2.00 ≤O．035 ≤0.030 9.00～ 13．oo 17.00～ 19.00 Nb≥10×C％ 0Cr25Ni20 ≤O．08 ≤1.50 ≤2.00 ≤O．035 ≤0.030 19.00～ 22.00 24.00～ 26.00 lCrl7 ≤O．12 ≤O．75 ≤1.00 ≤O．035 ≤0.030 16.00～ 19.00 Ti或Nbo．10～1.00 1Cr15 ≤0.12 ≤1.00 ≤1.00 ≤O．035 ≤O．030 16.00～ 18.00 0Cr13 ≤0.08 ≤1.00 ≤1.00 ≤O．035 ≤O．030 11.50～ 13.50 1Crl3 ≤O．15 ≤1.00 ≤1.00 ≤0.035 ≤O．030 11.50～ 13.50