化学成份、机械性能、金相组织
序号 | 种类 | 牌号 | 化学成份 | 机械性能 | 金相组织 |
C | Si | Mn | Cr | Mo | Ni | Cu | S | P | Ak (J/cm2) | HRC | σb (Mpa) |
1 | 中碳中铬Ⅰ | ZG30Cr5MoRE | 0.25-0.35 | 0.3-1.0 | 0.3-1.0 | 4.5-5.5 | 0.2-1.0 | | | ≤0.045 | ≤0.045 | ≥25 | ≥45 | | M+B+C |
2 | 中碳中铬Ⅱ | ZG40Cr5MoRE | 0.35-0.45 | 0.3-1.0 | 0.3-1.0 | 4.5-5.5 | 0.2-1.0 | | | ≤0.045 | ≤0.045 | ≥20 | ≥48 | | M+B+C |
3 | 中碳低合金 | ZG40CrMoNiRE | 0.3-0.5 | 0.7-1.5 | 0.3-1.0 | 1.2-1.8 | 0.2-0.6 | 0.1-0.4 | | ≤0.04 | ≤0.04 | ≥30 | ≥40 | | M+F |
4 | 低碳高合金 | ZG20Cr9NiMo | 0.15-3.5 | ≤1.0 | 0.3-1.0 | 8-10 | 0.4-0.8 | 1.4-1.8 | ≤0.1 | ≤0.045 | ≤0.045 | ≥40 | ≥40 | | M+C |
5 | 铬钼镍合金钢 | ZG45Cr3NiMoMn-RE | 0.4-0.50 | 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 |
6 | 90铬合金钢 | ZG90Cr6MoMn | 0.85-0.95 | 0.4-0.8 | 0.4-0.8 | 5-8 | 0.2-0.4 | | | ≤0.045 | ≤0.045 | ≥7 | ≥50 | | M+C |
7 | 普通高猛钢 | ZGMn13 | 1.1-1.4 | 0.3-1.0 | 11-14 | | | | | ≤0.06 | ≤0.10 | ≥147 | HB ≤229 | 637 | A+C |
8 | 改性高锰钢 | ZGMn13Cr2 | 1.1-1.4 | 0.3-1.0 | 11-14 | 0.5-2.5 | | | | ≤0.06 | ≤0.10 | ≥80 | ≤240 | | A+C |
9 | 超高锰钢 | ZGMn17Cr2 | 1.1-1.4 | 0.3-1.0 | 16-19 | 1.0-2.0 | | Ti0.2-0.4 | | ≤0.06 | ≤0.10 | ≥50 | ≤260 | | A+C |
10 | 耐热钢 | ZG20Cr26Ni5 | ≤0.20 | ≤2.0 | ≤0.2 | 24-28 | ≤0.5 | 4-6 | | ≤0.04 | ≤0.04 | | | 590 | A+F |
11 | HH | ZG20Cr26Ni12 | 0.2-0.5 | ≤2.0 | ≤0.2 | 24-28 | ≤0.5 | 11-14 | | ≤0.045 | ≤0.045 | | | 490 | A+F |
12 | HK | ZG40Cr25Ni20 | 0.35-0.45 | ≤2.0 | ≤0.2 | 23-27 | ≤0.5 | 19-22 | | ≤0.045 | ≤0.045 | | | 440 | A+F |
13 | 高铬铸铁 | KmTBCr15Mo2 | 2-2.8 | ≤1.2 | 0.5-1.0 | 13-18 | 0.2-2.5 | 0-1.0 | 0-1.2 | ≤0.06 | ≤0.10 | | ≥53 | | M+A+C |
14 | 高铬铸铁 | KmTBCr20Mo2 | 2-3.0 | ≤1.2 | 0.5-1.0 | 18-22 | 1.5-2.5 | 0-1.5 | 0.8-1.2 | ≤0.06 | ≤0.10 | ≥3 | ≥58 | | M+A+C |
15 | 高铬铸铁 | KmTBCr26 | 2-3.0 | ≤1.2 | 0.5-1.0 | 23-28 | 0-1.0 | 0-1.5 | 0-2.0 | ≤0.06 | ≤0.10 | | ≥55 | | M+A+C |
16 | 高铬铸钢 | ZGCr12SiMn-GT | 1.0-2.0 | ≤1.2 | 0.5-2.0 | 12-14 | 0-1.0 | 0-1.0 | 0-1.0 | ≤0.06 | ≤0.10 | ≥3.2 | ≥55 | | M+A+C |
17 | 高铬铸钢 | ZGCr15SiMn-GT | 1.0-2.0 | ≤1.2 | 0.5-2.0 | 15-17 | 0-1.0 | 0-1.0 | 0-1.0 | ≤0.06 | ≤0.10 | ≥3.5 | ≥55 | | M+A+C |
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