| 号 | 牌号 |
化 学 成 份 (%) |
机械性能 | 金相*** | ||||||||||
| C | Si | Mn | Cr | Mo | Ni | Cu | S | P |
ak (J/cm2) |
HRC |
σъ (Mpa) |
|||
| 1 | ZG30Cr5MoRE | 0.25~0.35 | 0.3~1.0 | 0.3~1.0 | 4.5~5.5 | 0.7~1.0 | 0.045 | 0.045 | ≥25 | ≥45 | M+B+C | |||
| 2 | ZG40Cr5MoRE | 0.35~0.45 | 0.3~1.0 | 0.3~1.0 | 4.5~5.5 | 0.7~1.0 | ≤0.045 | ≤0.045 | ≥20 | ≥48 | M+B+C | |||
| 3 | ZG45Cr3NiMoMnRE | 0.40~0.50 | 0.3~0.8 | 0.6~1.2 | 2.0-3.2 | 0.3-0.5 | 0.5-1.0 | 0.04 | 0.04 | ≥20 | ≥50 | M+C | ||
| 4 | ZG90Cr6MoMn | 0.85~0.95 | 0.4~0.8 | 0.4~0.8 | 5-8 | 0.2-0.4 |
|
≤0.04 | 0.04 | >7 | >50 | A+C | ||
| 5 | ZGMn13 | 1.1~1.4 | 0.3~1.0 | 11~14 | 0.06 | 0.09 | >147 | HB≤229 | 637 | A+C | ||||
| 6 | ZGMn13Cr2 | 1.1~1.4 | 0.3~1.0 | 11~14 | 1.5-2.5 | 0-0.5 | 0.06 | 0.08 | >80 | 240 | A+C | |||
| 7 | ZGMn17Cr2 | 1.1~1.4 | 0.3~1.0 | 16~19 | 1.0-20 | Ti0.2-0.4 | ≤0.06 | ≤0.08 | >50 | 260 | A+F | |||