不锈钢(GB/T1220--1992) 1)牌号和化学成分见表3-60。 表3-60 不锈钢的牌号和化学成分 牌 号 化学成分(质量分数)(%) C Si Mn P S Ni Cr M0 其他 奥氏体型 1Crl7Mn6-Ni5N ≤0.15 ≤1.00 5.50~7.50 ≤O.060 ≤0.030 3.50~ 5.50 16.00~18.00 N≤0.25 lCrl8Mn8-Ni5N ≤O.15 ≤1.00 7.50~lO.00 ≤0.060 ≤O.030 4.00~6.00 17.00~19.00 N≤O.25 1Crl8Mnl0-Ni5Mo3N ≤0.10 ≤1.00 8.5~12.00 ≤0.060 ≤O.030 4.00~ 6.00 17.00~ 19.00 2.8~3.5 N0.20~O.30 1Crl7Ni7 ≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤O.030 6.00~8.00 16.00~18.00 lCrl8Ni9 ≤O.15 ≤1.00 ≤2.00 ≤O.035 ≤O.030 8.00~10.00 17.00~19.00 YlCrl8Ni9 ≤0.15 ≤1.00 ≤2.oo ≤0.20 ≥O.15 8.00~lO.00 17.00~19.00 ① Y1Crl8Ni9Se ≤O.15 ≤1.00 ≤2.00 ≤0.20 ≥O.060 8.00~lO.00 17.00~19.00 Se≥O.15 OCrl8Ni9 ≤0.07 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00~11.00 17.00~19.00 00Cr19NilO ≤O.03 ≤1.00 ≤2.00 ≤0.035 ≤O.030 8.00~12.00 18.00~20.00 OCr19Ni9N ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤O.030 7.00~lO.50 18.00~20.00 N0.10 ~0.25 OCrl9Nil0-NbN ≤O.08 ≤1.00 ≤2.00 ≤O.∞15 ≤O.030 7.50~lO.50 18.00~20.00 Nb≤ O.15 N0.15 ~O.30 00Crl8Ni10N ≤O.030 ≤1.00 ≤2.00 ≤0.035 ≤O.030 8.5~11.50 17.00~19.00 No.12 ~0.22 lCr18Ni12 ≤O.12 ≤1.00 ≤2.00 ≤0.035 ≤O,030 10.50~13.00 17.00~19.00 OCr23NNi13 ≤0.08 ≤1.00 ≤2.00 ≤O.035 ≤0.030 12.00~15.00 22.00~24.00 OCr25Ni20 ≤O.08 ≤1.00 ≤2.00 ≤O.035 ≤0.030 19.00~22.00 24.00~26.00 OCrl7Ni-12M02 ≤0.08 ≤1.00 ≤2.00 ≤O.035 ≤O.030 10.00~14.00 16.00~18.50 2.00~3.00 lCr18Nil2- M02T⑥ ≤0.12 ≤1.00 ≤2.00 ≤O.035 ≤O.030 11.00~14.00 16.00~19.00 1.80~2.50 Ti5×(C% ~0.02)~O.80 OCrl8Nil2-M02Ti ≤O.08 ≤1.00 ≤2.00 ≤≤11.00~14.00 16.00~1.80 ~Ti5x C% O.035 0.030 19.00 2.50 ~O.70 00Crl7Ni-14M02 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 12.00~15.oo 16.00~18.00 2.00~3.00 OCrl7Nil2-M02N ≤O.08 ≤1.00 ≤2.0...