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1、用途：廣泛用于冶金、礦山、化工、環保等方面耐熱零部件的制造，如汽輪機、燃氣輪機轉子和葉片、鍋爐過熱器等。
2、化學成分
| 牌號 | C(碳) | Si(硅) | Mn(錳) | Cr(鉻) | Ni(鎳) | Mo(鉬) | N(氮) | P(磷) | S(硫) |
| ZG40GCr9Si2 | 0.35-0.50 | 2.00-3.00 | ≤0.70 | 8.0-10.0 | — | — | — | ≤0.035 | ≤0.03 |
| ZG30Cr18Mn12Si2N | 0.26-0.36 | 1.60-2.40 | 11.0-13.0 | 17.0-20.0 | — | — | 0.22-0.28 | ≤0.06 | ≤0.04 |
| ZG35Cr24Ni7SiN | 0.30-0.40 | 1.30-2.00 | 0.80-1.50 | 23.0-25.5 | -7.0-8.5 | — | 0.20-0.26 | ≤0.04 | ≤0.03 |
| ZG35Ni24Cr18Si2 | 0.30-0.40 | 1.50-2.50 | ≤1.50 | 17.0-20.0 | 2.30-26.0 | — | — | ≤0.035 | ≤0.03 |
| ZG30Cr26Ni5 | 0.20-0.40 | ≤2.00 | ≤1.00 | 24.0-28.0 | 4.0-6.0 | ≤0.50 | — | ||
| ZG30Cr20Ni10 | 0.20-0.40 | ≤2.00 | ≤2.00 | 18.0-23.0 | 8.0-12.00 | ≤0.50 | — | ||
| ZG35Cr26Ni12 | 0.20-0.50 | ≤2.00 | ≤2.00 | 24.0-28.0 | 11.0-14.0 | — | — | ||
| ZG35Cr28Ni16 | 0.20-0.50 | ≤2.00 | ≤2.00 | ≤26.0-30.0 | 14.0-18.0 | ≤0.50 | — | ||
| ZG40Cr25Ni20 | 0.35-0.45 | ≤1.75 | ≤1.50 | 23.0-22.0 | 19.0-22.0 | ≤0.50 | — | ||
| ZG40Cr30Ni20 | 0.20-0.60 | ≤2.00 | ≤2.00 | 28.0-32.0 | 18.0-22.0 | ≤0.50 | — | ||
| ZG30Ni35Cr15 | 0.20-0.35 | ≤2.50 | ≤2.00 | 13.0-17.0 | 33.0-37.0 | — | — | ||
| ZG45Ni35Cr26 | 0.35-0.75 | ≤2.00 | ≤2.00 | 24.0-28.0 | 33.0-37.0 | ≤0.50 | — | ||
| ZGCr28 | 0.50-1.00 | ≤2.00 | ≤1.00 | 26.0-30.0 | — | — | — |
3、物理性能①
| 牌號 | 熱處理 | 屈服強度σ0.2≥ | 抗拉強度σb≥ | 伸長率δ5(%)≥ | ||
| MPa | kgf/mm2 | MPa | kgf/mm2 | |||
| ZG40Cr9Si2 | 950℃退火 | — | — | 550 | 55 | — |
| ZG30Cr18Mn12Si2N | — | — | — | 490 | 49 | 8 |
| ZG35Cr24Ni7SiN | — | 340 | 34 | 540 | 54 | 12 |
| ZG35Ni24Cr18Si2 | — | 195 | 19.5 | 390 | 39 | 5 |
| ZG30G26Ni5 | — | — | — | 590 | 59 | — |
物理性能②
| 牌號 | 熱處理 | 屈服強度σ0.2≥ | 抗拉強度σb≥ | 伸長率δ5(%)≥ | ||
| MPa | kgf/mm2 | MPa | kgf/mm2 | |||
| ZG30Cr20Ni10 | — | 235 | 23.5 | 490 | 49 | 2.3 |
| ZG35Cr26Ni12 | — | 235 | 23.5 | 490 | 49 | 8 |
| ZG35Cr28Ni16 | — | 235 | 23.5 | 490 | 49 | 8 |
| ZG40Cr25Ni20 | — | 235 | 23.5 | 440 | 44 | 8 |
| ZG40Cr30Ni20 | — | 245 | 24.5 | 450 | 45 | 8 |
| ZG30Ni35Cr5 | — | 195 | 19.5 | 440 | 44 | 13 |
| ZG45Ni35Cr26 | — | 235 | 23.5 | 440 | 44 | 5 |
| ZGC28 | — | — | — | 340 | 34 | — |
4、標記示例
耐熱鋼ZC40Cr9Si2—YB/T036.3—92
名 稱 牌 號 標準號
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