资讯动态
电站阀门合金钢铸件化学成分_阀门标准
|
元素 |
材料级别 |
|||
|
WC1 |
WC6 |
WC9 |
C12A |
|
|
成分，% |
||||
|
C |
≤0.25 |
0.05~0.20 |
0.05~0.18 |
≤0.12 |
|
Mn |
0.50~0.80 |
0.50~0.80 |
0.40~0.70 |
0.30~0.60 |
|
P |
≤0.035 |
≤0.035 |
≤0.035 |
≤0.020 |
|
S |
≤0.040 |
≤0.040 |
≤0.040 |
≤0.018 |
|
Si |
≤0.60 |
≤0.60 |
≤0.60 |
0.20~0.50 |
|
Ni |
-- |
-- |
-- |
≤0.40 |
|
Cr |
-- |
1.00~1.50 |
2.00~2.75 |
8.0~9.5 |
|
Mo |
0.45~0.65 |
0.45~0.65 |
0.90~1.20 |
0.85~1.05 |
|
Nb |
-- |
-- |
-- |
0.060~0.10 |
|
N |
-- |
-- |
-- |
0.030~0.070 |
|
元素 |
规定的残余元素，% |
|||
|
Al |
-- |
-- |
-- |
≤0.04 |
|
Cu |
≤0.50 |
≤0.50 |
≤0.50 |
-- |
|
Ni |
≤0.50 |
≤0.50 |
≤0.50 |
-- |
|
Cr |
≤0.35 |
-- |
-- |
-- |
|
W |
≤0.10 |
≤0.10 |
≤0.10 |
-- |
|
V |
-- |
-- |
-- |
0.18~0.25 |
|
残留元素总量 |
≤1.00 |
≤1.00 |
≤1.00 |
-- |
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