C |
Cr |
Ni |
Mo |
Ti |
Fe |
≤0.08 |
13.5~16.0 |
24.0~27.0 |
1.00~1.50 |
1.75~2.30 |
余 |
V |
B |
Mn |
Al |
Si |
P |
S |
0.10~0.50 |
0.001~0.010 |
1.00~2.00 |
≤0.40 |
≤1.00 |
≤0.030 |
≤0.020 |
材料品种 |
热处理制度 |
棒材、圆饼 |
980~1000℃,1~2h,油冷+700~720℃,12~16h,空冷 |
热轧板、冷轧板 |
980~1000℃,空冷+700~720℃,16h,空冷 |
冷拉棒 |
980~1000℃,1~2h,油冷+700~720℃,16h,空冷 |
环件毛坯 |
980~990℃,1~2h,油冷+700~720℃,15h,空冷 |
冷镦用冷拉丝 |
980~1000℃,1~2h,水冷或油冷+700~720℃,16h,空冷 |
θ/℃ |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
λ/(W/(m.C)) |
14.2 |
15.9 |
17.2 |
18.8 |
20.5 |
22.2 |
23.9 |
25.5 |
27.6 |
θ/℃ |
20~100 |
20~200 |
20~300 |
20~400 |
20~500 |
20~600 |
20~700 |
20~800 |
20~900 |
a/10-6℃C-1 |
15.37 |
16.09 |
16.31 |
16.84 |
17.58 |
18.06 |
18.74 |
19.62 |
20.45 |
θ/℃ |
20~100 |
20~200 |
20~300 |
20~400 |
20~500 |
20~600 |
20~700 |
20~800 |
20~900 |
a/10-6℃C-1 |
15.7 |
16.0 |
16.5 |
16.8 |
17.3 |
17.5 |
17.9 |
19.1 |
19.7 |
θ/℃ |
20 |
100 |
200 |
300 |
400 |
ρ/(10-6 Ω.M) |
0.914 |
0.985 |
1.018 |
1.074 |
1.119 |
θ/℃ |
500 |
600 |
700 |
800 |
900 |
ρ/(10-6 Ω.M) |
1.135 |
1. |
1.018 |
1.074 |
1.119 |
θ/℃ |
氧化速率/(g/(m2栠)) |
氧化速率/(g/(m2栠)) |
氧化速率/(g/(m2栠)) |
θ/℃ |
氧化速率/(g/(m2栠)) |
氧化速率/(g/(m2栠)) |
氧化速率/(g/(m2栠)) |
100h |
200h |
300h |
100h |
200h |
300h | ||
650 |
0.00417 |
0.00276 |
0.00234 |
850 |
0.11630 |
0.12386 |
0.09672 |
750 |
0.03250 |
0.07216 |
0.08322 |
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