CR12工具钢选型指南
CR12（工具钢，87个规格）常见加工形态、硬度与抗拉强度如下，供材料选型与采购参考。
牌号规格明细
| 规格 | 硬度 | 抗拉强度 |
|---|---|---|
| Cr12 | 251HB | 924MPa |
| Cr12-冷拉-10mm | 204HB | 962MPa |
| Cr12-冷拉-12mm | 229HB | 951MPa |
| Cr12-冷拉-16mm | 242HB | 1479MPa |
| Cr12-冷拉-20mm | 223HB | 966MPa |
| Cr12-冷拉-25mm | 206HB | 1308MPa |
| Cr12-冷拉-30mm | 255HB | 1247MPa |
| Cr12-冷拉-40mm | 245HB | 952MPa |
| Cr12-冷拉-50mm | 258HB | 1025MPa |
| Cr12-冷拉-60mm | 221HB | 1336MPa |
| Cr12-冷拉-80mm | 256HB | 1123MPa |
| Cr12-冷轧-圆钢 | 257HB | 783MPa |
| Cr12-冷轧-钢板 | 238HB | 646MPa |
| Cr12-回火 | — | — |
| Cr12-固溶 | — | — |
| Cr12-时效 | — | — |
| Cr12-正火 | — | — |
| Cr12-淬火 | — | — |
| Cr12-渗氮 | — | — |
| Cr12-渗碳 | — | — |
| Cr12-热轧-圆钢 | 225HB | 719MPa |
| Cr12-热轧-钢板 | 259HB | 684MPa |
| Cr12-热轧圆钢-10mm | 271HB | 847MPa |
| Cr12-热轧圆钢-11mm | 249HB | 816MPa |
物性范围
| 项目 | 范围 |
|---|---|
| 抗拉强度 | 924MPa~629MPa |
| 硬度 | 397MPa~487MPa |
选型要点
CR12属工具钢。选型依据：抗拉强度（924MPa~629MPa）、硬度（397MPa~487MPa）、加工形态（板/棒/丝/带/管/型材）及后续热处理与状态需求综合确定。
FAQ
Q1：CR12常见规格形态？
Cr12、Cr12-冷拉-10mm、Cr12-冷拉-12mm、Cr12-冷拉-16mm、Cr12-冷拉-20mm、Cr12-冷拉-25mm、Cr12-冷拉-30mm、Cr12-冷拉-40mm等。
Q2：CR12性能如何？
抗拉 924MPa~629MPa，硬度 397MPa~487MPa。