沉淀硬化型不銹鋼的國際標準化組織2
表 國際標準化組織(ISO)不銹鋼標準牌號及化學(xué)成分(熔煉分析)①
| 序號 | 牌 號 | C | Si | Mn | - | S | N | Cr | Mo | Ni | 其他 元素 | ≥ | ≤ | |||||||||||
| ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ≤ | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ||||||||
| (b)奧氏體-鐵素體(雙相)鋼 | ||||||||||||||||||||||||
| 47 | X2CrNiN23-4④ | - | 0.030 | - | 1.00 | - | 2.00 | 0.035 | - | 0.015 | 0.05 | 0.20 | 22.0 | 24.0 | 0.10 | 0.60 | 3.5 | 5.5 | Cu | 0.10 | 0.60 | |||
| 48 | X2CrNiMoN22-5-3⑤ | - | 0.030 | - | 1.00 | - | 2.00 | 0.035 | - | 0.015 | 0.10 | 0.22 | 21.0 | 23.0 | 2.5 | 3.5 | 4.5 | 6.5 | - | - | - | |||
| 49 | X2CrNiMoCuN25-6-3 | - | 0.030 | - | 0.70 | - | 2.00 | 0.035 | - | 0.015 | 0.15 | 0.30 | 24.0 | 26.0 | 2.5 | 4.0 | 5.0 | 7.5 | Cu | 1.00 | 2.50 | |||
| 50 | X2CrNiMoN25-7-4④ | - | 0.030 | - | 1.00 | - | 2.00 | 0.035 | - | 0.015 | 0.24 | 0.35 | 24.0 | 26.0 | 3.0 | 4.5 | 6.0 | 8.0 | - | - | - | |||
| 51 | X3CrNiMoN27-5-2 | - | 0.050 | - | 1.00 | - | 2.00 | 0.035 | - | 0.015 | 0.05 | 0.20 | 25.0 | 28.0 | 1.30 | 2.00 | 4.5 | 6.5 | - | - | - | |||
| 52 | X2CrNiMoCuWN25-7-4 | - | 0.030 | - | 1.00 | - | 1.00 | 0.035 | - | 0.015 | 0.05 | 0.30 | 24.0 | 26.0 | 3.0 | 4.0 | 6.0 | 8.0 | Cu W | 0.50 0.50 | 1.00 1.00 | |||
| (c)鐵素體鋼 | ||||||||||||||||||||||||
| 53 | X2CrNi12 | 0.030 | - | 1.00 | 1.50 | 0.040 | - | 0.015 | - | 0.030 | 10.5 | 12.5 | - | - | 0.30 | 1.10 | - | - | - | |||||
| 54 | X2CrTi12 | 0.030 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 10.5 | 12.5 | - | - | - | 0.50 | Ti | 6×(C+N) | 0.65 | |||||
| 55 | X6CrTi12 | 0.08 | - | 1.00 | 1.00 | 0.040 | - | 0.030③ | - | - | - | 10.5 | 12.5 | - | - | 0.50 | Ti | 6×(C+N) | 0.65 | |||||
| 56 | X6CrNiTi12 | 0.08 | - | 1.00 | 1.00 | 0.040 | - | 0.015 | - | - | - | 10.5 | 12.5 | - | 0.50 | 1.50 | Ti | 0.05 | 0.35 | |||||
| 57 | X6Cr13 | 0.08 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | - | 11.5 | 14.0 | - | - | 0.75 | - | - | - | |||||
| 58 | X6CrAl13 | 0.08 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | - | 11.5 | 14.0 | - | - | - | Al | 0.10 | 0.30 | |||||
| (d)鐵素體鋼 | ||||||||||||||||||||||||
| 59 | X6Cr17 | 0.08③ | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 16.0 | 18.0 | - | - | - | - | - | - | - | |||||
| 60 | X7CrS17 | 0.09 | - | 1.50 | 1.50 | 0.040 | 0.15 | - | - | - | 16.0 | 18.0 | - | 0.60 | - | - | - | - | - | |||||
| 61 | X6CrMoS17-1 | 0.08 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 16.0 | 18.0 | 0.90 | 1.40 | - | - | - | - | - | |||||
| 62 | X3CrTi17 | 0.05 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 16.0 | 19.0 | - | - | - | - | Ti | 4×(C+N) +0.20 | 0.75 | |||||
| 63 | X6CrMoNb17-1 | 0.08 | - | 1.00 | 1.00 | 0.040 | - | 0.015 | - | 0.040 | 16.0 | 18.0 | 0.80 | 1.40 | - | - | - | 5×C | 1.00 | |||||
| 64 | X2CrMoTi18-2 | 0.025 | - | 1.00 | 1.00 | 0.040 | - | 0.015 | - | 0.025 | 17.0 | 20.0 | 1.80 | 2.50 | - | - | Ti+Nb | 4×(C+N) +0.20 | 0.80 | |||||
| 65 | X3CrNb17 | 0.05 | - | 1.00 | 1.00 | 0.040 | - | 0.015 | - | - | 16.0 | 18.0 | - | - | - | - | - | 12×C | 1.00 | |||||
| 66 | X2CrMoTiS18-2 | 0.03 | - | 1.00 | 0.50 | 0.040 | 0.15 | - | - | - | 17.5 | 19.0 | 2.00 | 2.50 | - | - | Ti (C+N) | 0.30 | 0.80 0.040 | |||||
| (e)馬氏體鋼 | ||||||||||||||||||||||||
| 67 | X3CrMo13-4 | 0.05 | - | 0.70 | 0.50 | 1.00 | 0.040 | - | 0.015 | - | - | 12.0 | 14.0 | 0.30 | 1.00 | 3.50 | 4.50 | - | - | - | ||||
| 68 | X12Cr13 | 0.08 | 0.15 | - | 1.00 | 1.50 | 0.040 | - | 0.030① | - | - | 11.5 | 13.5 | - | - | - | 0.75 | - | - | - | ||||
| 69 | X12CrS13 | 0.08 | 0.15 | - | 1.00 | 1.50 | 0.040 | 0.15 | - | - | - | 12.0 | 14.0 | - | 0.60 | - | - | - | - | - | ||||
| 70 | X20Cr13 | 0.16 | 0.25 | - | 1.00 | 1.50 | 0.040 | - | 0.030① | - | - | 12.0 | 14.0 | - | - | - | - | - | - | - | ||||
| 71 | X30Cr13 | 0.26 | 0.35 | - | 1.00 | 1.50 | 0.040 | - | 0.030① | - | - | 12.0 | 14.0 | - | - | - | - | - | - | - | ||||
| 72 | X39Cr13 | 0.36 | 0.42 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 12.5 | 14.5 | - | - | - | - | - | - | - | ||||
| 73 | X46Cr13 | 0.43 | 0.50 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 12.5 | 14.5 | - | - | - | - | - | - | - | ||||
| 74 | X52Cr13 | 0.48 | 0.55 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 12.5 | 14.5 | - | - | - | - | - | - | - | ||||
| 75 | X60Cr13 | 0.56 | 0.65 | - | 1.00 | 1.00 | 0.040 | - | 0.030① | - | - | 12.5 | 14.5 | - | - | - | - | - | - | - | ||||
| 76 | X14CrS17 | 0.10 | 0.17 | - | 1.00 | 1.50 | 0.040 | 0.15 | - | - | - | 16.0 | 18.0 | - | 0.60 | - | - | - | - | - | ||||
| 77 | X17CrNi16-2 | 0.12 | 0.22 | - | 1.00 | 1.50 | 0.040 | - | 0.030 | - | - | 15.0 | 17.0 | - | - | 1.50 | 2.50 | - | - | - | ||||
| 78 | X39CrMo17-1 | 0.33 | 0.45 | - | 1.00 | 1.50 | 0.040 | - | 0.015 | - | - | 15.5 | 17.5 | 0.80 | 1.30 | - | 1.00 | - | - | - | ||||
| 79 | X105CrMo17 | 0.95 | 1.20 | - | 1.00 | 1.00 | 0.040 | - | 0.015 | - | - | 16.0 | 18.0 | 0.40 | 0.80 | - | - | - | - | - | ||||
| (f)沉淀硬化鋼 | ||||||||||||||||||||||||
| 80 | X5CNiCuNb16-4 | 0.07 | - | 0.70 | 1.50 | 0.040 | - | 0.030① | - | - | 15.0 | 17.0 | - | 0.60 | 3.0 | 5.0 | Cu Nb | 3.0 5×C | 5.0 0.45 | |||||
| 81 | X7CNiAl17-7 | 0.09 | - | 0.70 | 1.00 | 0.040 | - | 0.015 | - | - | 16.0 | 18.0 | - | - | 6.5 | 7.8⑥ | Al | 0.70 | 1.50 | |||||
| 82 | X8CNiMoAl15-7-2 | 0.10 | - | 0.70 | 1.20 | 0.040 | - | 0.015 | - | - | 14.0 | 16.0 | 2.00 | 3.00 | 6.5 | 7.8 | Al | 0.75 | 1.50 | |||||
①熔煉分析,%(m/m),ISO/PDTS15510:2002。
②可提供特定的硫含量范圍以改善特定的性能:為改善切削加工性,建議硫含量控制范圍為0.015%~0.030%;為改善焊接性,控制范圍為0.008%~0.020%,為改善拋光性,控制最大0.015%。
③當切削性特別重要時,S可增加至0.045%。
④Cu可增加到1.00%。
⑤取得專利的牌號。
⑥對于某些用途,如可焊性或高強度鋼絲,C最大可為0.12%。
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