该合金组织稳定,并具有满意的冷热加工成型和焊接工艺性能,适合于制造航空发动机燃烧室和加力燃烧室等高温板材承力焊接结构件,用该合金制造的大型板材结构件,可在固溶处理后不经时效处理直接使用。主要产品有板材和丝材,也可以生产板材和锻件。
C | Cr | Ni | W | Mo | Al | Co | Ti |
≤0.08 | 17.00~20.0 | 余量 | 5.00~7.00 | 3.50~4.50 | 1.70~2.40 | 5.00~8.00 | 1.00~1.50 |
Fe | B | Mg | Ce | Mn | Si | P | S |
≤2.00 | ≤0.005 | ≤0.010 | ≤0.020 | ≤0.40 | ≤0.50 | ≤0.015 | ≤0.015 |
θ/℃ | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
λ/(W/(m·C)) | 10.47 | 12.56 | 14.24 | 15.91 | 18.00 | 19.68 | 21.77 | 23.45 | 25.54 | 27.21 |
θ/℃ | 20~100 | 20~200 | 20~300 | 20~400 | 20~500 | 20~600 | 20~700 | 20~800 | 20~900 | 20~1000 |
α/10-6C-1 | 12.0 | 12.4 | 12.8 | 13.0 | 13.7 | 14.2 | 14.7 | 15.1 | 15.3 | 17.4 |
θ/℃ | 10 | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 |
Q/(10-6m2/S)) | 2.5 | 2.7 | 3.0 | 3.3 | 3.6 | 3.9 | 4.0 | 4.3 | 4.4 | 4.55 |
θ/℃ | 14 | 110 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
ρ/(10-6Ω.M)) | 1.373 | 1.403 | 1.414 | 1.427 | 1.440 | 1.443 | 1.457 | 1.452 | 1.423 | 1.393 | 1.357 |
θ/℃ | 800 | 900 | 1000 | 1010 |
氧化速率/(g/m2·h) | 0.017 | 0.084 | 0.212 | 0.481 |
晶界氧化深度/mm | 0 | 0.0064~0.0086 | 0.0160~0.0192 | 0.0288~0.0320 |