汽轮机叶片用钢的牌号及化学成分 (摘自 GB / T8732 — 1988 )
马氏体型
|
牌号 |
化学成分 ( 质量分数 ) , % |
||||||||||
|
C ( 碳 ) |
Si ( 硅 ) |
Mn ( 锰 ) |
P ( 磷 ) |
S ( 硫 ) |
Ni ( 镍 ) |
Cr ( 铬 ) |
Mo ( 钼 ) |
W ( 钨 ) |
V ( 钒 ) |
Cu ( 铜 ) |
|
|
1Cr13 |
≤ 0 . 15 |
≤ 1 . 00 |
≤ 1 . 00 |
≤ 0 . 03 |
≤ 0 . 03 |
≤ 0 . 60 |
11 . 50 ~ 13 . 50 |
|
|
|
|
|
1Cr12 |
0 . 10 ~ 0 . 15 |
≤ 0 . 60 |
≤ 0 . 60 |
≤ 0 . 03 |
≤ 0 . 03 |
≤ 0 . 60 |
11 . 50 ~ 13 . 50 |
|
|
|
≤ 0 . 30 |
|
2Cr13 |
0 . 16 ~ 0 . 24 |
≤ 0 . 60 |
≤ 0 . 60 |
≤ 0 . 03 |
≤ 0 . 03 |
≤ 0 . 060 |
12 . 0 ~ 14 . 00 |
|
|
|
≤ 0 . 30 |
|
1Cr12Mo |
0 . 10 ~ 0 . 15 |
≤ 0 . 50 |
0 . 30 ~ 0 . 60 |
≤ 0 . 03 |
≤ 0 . 03 |
0 . 30 ~ 0 . 60 |
11 . 50 ~ 13 . 50 |
0 . 30 ~ 0 . 60 |
|
|
≤ 0 . 30 |
|
1Cr11MoV |
0 . 11 ~ 0 . 18 |
≤ 0 . 50 |
≤ 0 . 60 |
≤ 0 . 03 |
≤ 0 . 03 |
≤ 0 . 60 |
10 . 00 ~ 11 . 50 |
0 . 50 ~ 0 . 70 |
|
0 . 25 ~ 0 . 40 |
≤ 0 . 30 |
|
1Cr12W1MoV |
0 . 12 ~ 0 . 18 |
≤ 0 . 50 |
0 . 50 ~ 0 . 90 |
≤ 0 . 03 |
≤ 0 . 03 |
0 . 40 ~ 0 . 80 |
10 . 00 ~ 13 . 00 |
0 . 50 ~ 0 . 70 |
0 . 70 ~ 1 . 10 |
1 . 15 ~ 0 . 30 |
≤ 0 . 30 |
|
2Cr12MoV |
0 . 18 ~ 0 . 23 |
≤ 0 . 50 |
0 . 30 ~ 0 . 80 |
≤ 0 . 03 |
≤ 0 . 03 |
0 . 30 ~ 0 . 50 |
11 . 00 ~ 12 . 50 |
0 . 80 ~ 1 . 20 |
|
0 . 25 ~ 0 . 35 |
≤ 0 . 30 |
|
2Cr12Ni1Mo1W1V |
0 . 15 ~ 0 . 21 |
≤ 0 . 50 |
0 . 50 ~ 0 . 90 |
≤ 0 . 03 |
≤ 0 . 03 |
0 . 80 ~ 1 . 20 |
11 . 00 ~ 13 . 00 |
0 . 70 ~ 1 . 10 |
0 . 75 ~ 1 . 05 |
0 . 15 ~ 0 . 30 |
|
|
2Cr12NiMo1W1V |
0 . 20 ~ 0 . 25 |
≤ 0 . 50 |
0 . 50 ~ 1 . 00 |
≤ 0 . 03 |
≤ 0 . 03 |
0 . 50 ~ 1 . 00 |
11 . 00 ~ 12 . 50 |
0 . 90 ~ 1 . 25 |
0 . 20 ~ 0 . 30 |
0 . 20 ~ 0 . 30 |
≤ 0 . 30 |
沉淀硬化型
|
牌号 |
化学成分 ( 质量分数 ) , % |
|||||||||||
|
C ( 碳 ) |
Si ( 硅 ) |
Mn ( 锰 ) |
P ( 磷 ) |
S ( 硫 ) |
Ni ( 镍 ) |
Cr ( 铬 ) |
Cu ( 铜 ) |
Al ( 铝 ) |
Ti ( 钛 ) |
N ( 氮 ) |
Nb+Ta ( 铌 ) + ( 钽 ) |
|
|
0Cr17Ni4Cu4Nb |
≤ 0 . 055 |
≤ 1 . 00 |
≤ 0 . 50 |
≤ 0 . 035 |
≤ 0 . 03 |
3 . 80 ~ 4 . 50 |
15 . 00 ~ 16 . 00 |
3 . 00 ~ 3 . 70 |
≤ 0 . 050 |
≤ 0 . 05 |
≤ 0 . 05 |
0 . 15 ~ 0 . 035 |
