| 〔60〕低合金及高合金耐磨铸铁 | ||||||||||||||||
| （Abrasion Resisting Cast Iron Low Alloy and High Alloy Grade) | ||||||||||||||||
| 标准代号 | 规格号码 | 记号 | 化学成分（%)Chemical composition | 拉伸试验 Tensile requirements | 硬度（HB) | |||||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu | 厚度（mm) | 抗拉强度(Mpa) | 伸长度(%) | 热处理 | ||||
| GB | 8263 | KmTBNi4-Cr2-DT | 2.7-3.2 | 0.3-0.8 | 0.3-0.8 | ≦0.15 | ≦0.1 | 3.0-5.0 | 2.0-3.0 | 0.0-1.0 | - | - | - | - | - | - |
| ASTM | A532 | I BNiCr-LC | 2.4-3.0 | ≦0.8 | ≦2.0 | ≦0.3 | ≦0.15 | 3.3-5.0 | 1.4-4.0 | ≦1.0 | - | ≧200 | - | - | - | ≦550 |
| DIN | 1695 | G-X260-NiCr42 | 2.6-2.9 | 0.2-0.8 | 0.3-0.7 | - | - | 3.5-5.0 | 1.4-2.4 | ≦0.5 | - | - | ≧320 | - | - | ≦500 |
| GB | 8263 | KmTBNi4-Cr2-GT | 3.2-3.6 | 0.3-0.8 | 0.3-0.8 | ≦0.15 | ≦0.1 | 3.0-5.0 | 2.0-3.0 | 0.0-1.0 | - | - | - | - | - | - |
| ASTM | A532 | I ANCr-HC | 2.8-3.6 | ≦0.8 | ≦1.3 | ≦0.3 | ≦0.15 | 3.3-5.0 | 1.4-4.0 | ≦1.0 | - | ≧200 | - | - | - | ≦550 |
| DIN | 1695 | G-X330-NiCr42 | 3.0-3.6 | 0.2-0.8 | 0.3-0.7 | - | - | 3.3-5.0 | 1.4-2.4 | ≦0.5 | - | - | ≧280 | - | - | ≦690 |
| GB | 8263 | KmTBCr9-Ni5Si2 | 2.5-3.6 | 1.5-2.2 | 0.3-0.8 | ≦0.15 | ≦0.1 | 4.5-6.5 | 8.0-10.0 | 0.0-1.0 | - | - | - | - | - | - |
| ASTM | A532 | I DNiHCr | 2.5-3.6 | ≦2.0 | ≦2.0 | ≦0.1 | ≦0.15 | 4.5-7.0 | 7.0-11.0 | ≦1.5 | - | ≧300 | - | - | - | ≦500 |
| DIN | 1695 | G-X300Cr-NSi952 | 2.5-3.5 | 1.5-2.2 | 0.3-0.7 | - | - | 4.5-6.5 | 8.0-10.0 | ≦0.5 | - | - | 500-600 | - | - | ≦690 |
| GB | 8263 | KmTBCr15-Mo2-GT | 2.8-3.5 | ≦1.0 | 0.5-1.0 | ≦0.1 | ≦0.06 | 0.0-1.0 | 13.0-18.0 | 0.5-3.0 | 0.0-1.2 | - | - | - | - | - |
| ASTM | A532 | ⅡB15%Cr-Mo-HC | 2.0-3.0 | ≦1.5 | ≦2.0 | ≦0.1 | ≦0.06 | ≦2.5 | 14.0-18.0 | 1.0-3.0 | ≦1.2 | ≧75 | - | - | H | ≦600 |
| DIN | 1695 | G-X300-CrMo153 | 2.3-3.6 | 0.2-0.8 | 0.5-1.0 | - | - | ≦0.7 | 14.0-17.0 | 1.0-3.0 | ≦1.2 | - | ≧450 | ≦690 | H | - |
| ASTM | A532 | Ⅱ020%-CrMo-LC | 2.0-3.3 | 1.0-2.2 | ≦2.0 | ≦0.1 | ≦0.06 | ≦1.5 | 18.0-23.0 | ≦2.0 | ≦1.2 | ≧200 | - | - | H | ≦600 |
| DIN | 1695 | G-X260Cr-MoNi2021 | 2.3-2.9 | 0.2-0.3 | 0.5-1.0 | - | - | 0.8-1.2 | 18.0-22.0 | 1.4-2.0 | - | - | ≧450 | - | H | ≦690 |
| GB | 8263 | KmTBCr20-Mo2Cu1 | 2.0-3.0 | ≦1.0 | 0.5-1.0 | ≦0.1 | ≦0.06 | 0.0-1.5 | 18.0-22.0 | 1.5-2.5 | 0.8-1.2 | - | - | - | - | - |
| ASTM | A532 | ⅡA-25%Cr | 2.0-3.0 | ≦1.5 | ≦2.0 | ≦0.1 | ≦0.06 | ≦2.5 | 23.0-30.0 | ≦3.0 | ≦1.2 | ≧200 | - | - | - | ≦600 |
| DIN | 1695 | G-X260-Cr27 | 2.3-2.9 | 0.5-1.5 | 0.5-1.5 | - | - | ≦1.2 | 24.0-28.0 | ≦1.0 | - | - | ≧560 | - | - | ≦690 |
| GB | 8263 | KmTBCr26 | 2.3-3.0 | ≦1.0 | 0.5-1.0 | ≦0.1 | ≦0.06 | 0.0-1.5 | 23.0-28.0 | 0.0-1.0 | 0.0-2.0 | - | - | - | - | - |
| ASTM | A532 | Ⅲ A-25%Cr | 2.0-3.3 | ≦1.0 | ≦2.0 | ≦0.1 | ≦0.06 | ≦2.5 | 23.0-30.0 | ≦1.5 | ≦1.2 | ≧200 | - | - | H | ≦600 |
| DIN | 1695 | G-X300Cr-Mo271 | 3.0-3.5 | 0.2-1.0 | 0.5-1.0 | - | - | - | 23.0-28.0 | 1.0-2.0 | ≦1.2 | - | ≧450 | - | H | ≦690 |