钢 号 牌 号 化学成分 % C Cr Ni Mn P S Mo Si Cu N 其它 奥 氏 体 型 201 1Cr17Mn6Ni5N ≤0.15 16.00- 18.00 3.50-5 .50 5.50－ 7.50 ≤0.060≤0.030 - ≤1.0 0 - ≤0.2 5 - 201L 03Cr17Mn6Ni5N ≤0.030 16.00- 18.00 3.50-5 .50 5.50－ 7.50 ≤0.060≤0.030 ≤1.0 0 ≤0.2 5 202 1Cr18Mn8Ni5N ≤0.15 17.00- 19.00 4.00-6 .00 7.50-1 0.00 ≤0.060≤0.030 ≤1.0 0 - ≤0.2 5 － 204 03Cr16Mn8Ni2N ≤0.030 15.00- 17.00 1.50-3 .50 7.00-9 .0