630~700 ℃超超临界燃煤电站耐热管及其制造技术进展
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刘正东,陈正宗,何西扣,包汉生
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Systematical Innovation of Heat Resistant Materials Used for 630~700 ℃ Advanced Ultra-Supercritical (A-USC)Fossil Fired Boilers
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Zhengdong LIU,Zhengzong CHEN,Xikou HE,Hansheng BAO
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| 表1 典型锅炉管耐热材料化学成分 (mass fraction / %) |
| Table 1 Compositions of typical boiler heat resistant materials |
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| Material | C | Si | Mn | Cr | Ni | Mo | W | Co |
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| T/P91 | 0.08~0.12 | 0.20~0.40 | 0.30~0.50 | 8.0~9.5 | ≤0.20 | 0.85~1.05 | ≤0.05 | - | | T/P92 | 0.07~0.13 | ≤0.50 | 0.30~0.60 | 8.5~9.5 | ≤0.40 | 0.30~0.60 | 1.50~2.00 | - | | S30432 | 0.07~0.13 | ≤0.30 | ≤1.00 | 17.0~19.0 | 7.5~10.5 | - | - | - | | S31042 | 0.04~0.10 | ≤1.0 | ≤2.0 | 24.0~26.0 | 19.0~22.0 | - | - | - | | Sanicro 25 | 0.04~0.10 | <0.40 | <0.60 | 21.5~23.5 | 23.5~26.5 | - | 3.0~4.0 | 1.0~2.0 | | Inconel 617 | 0.05~0.15 | ≤1.0 | ≤1.0 | 20.0~24.0 | Bal. | 8.0~10.0 | - | 10.0~15.0 | | Inconel 740 | 0.005~0.08 | ≤1.0 | ≤1.0 | 23.5~25.5 | Bal. | ≤2.0 | - | 15.0~22.0 | | Material | Nb | V | Ti | N | B | Cu | Fe | Standard | | T/P91 | 0.06~0.10 | 0.18~0.25 | ≤0.01 | 0.035~0.070 | ≤0.001 | ≤0.10 | Bal. | ASME SB 213/213M | | T/P92 | 0.04~0.09 | 0.15~0.25 | ≤0.01 | 0.030~0.070 | 0.001~0.006 | - | Bal. | ASME SB 213/213M | | S30432 | 0.30~0.60 | - | - | 0.05~0.12 | 0.001~0.010 | 2.5~3.5 | Bal. | ASME SB 213/213M | | S31042 | 0.20~0.60 | - | - | 0.15~0.35 | - | - | Bal. | ASME SB 213/213M | | Sanicro 25 | 0.40~0.60 | - | - | 0.20~0.30 | 0.002~0.008 | 2.5~3.5 | Bal. | ASME SB 213/213M | | Inconel 617 | - | - | ≤0.6 | - | ≤0.006 | ≤0.5 | ≤3.0 | ASME SB 167 | | Inconel 740 | 0.5~2.5 | - | 0.5~2.5 | Al 0.2~2.0 | 0.0006~0.006 | ≤0.50 | ≤3.0 | ASME Code Case 2702 |
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