品牌:申源
发货:3天内
我公司根据国家规定标准（GB/T12733）组织生产的4Cr9Si2、4Cr10Si2Mo、21-4N、21-12N等产品，经用户生产使用，产品各项指标达到或优于国家标准。我厂又相继成功开发了21-4NWNb、23-8N、21-2N、X85CrMoV18-2、X60CrMnMoVNbN21-10、X50CrMnNiNbN21-9钢种,此类在700ºC以上有较高的强度（21-4NWNb,X60CrMnMoVNBN21-10）,具有良好的韧性和极好的抗燃气腐蚀性能（23-8N），是制造内燃机阀门的理想材料，产品化学成分稳定，性能优越，寿命耐久，深受广大用户的青睐。
气阀钢牌号化学成分性能表
|
序号
|
类别
|
牌号
|
化学成份%
|
|||||||||||
|
C
|
Si
|
Mn
|
Ni
|
Cr
|
P
|
S
|
Mo
|
N
|
W
|
Nb
|
其他
|
|||
|
1
|
奥
氏
体
型
|
5Cr21Mn9Ni4N
(21-4N)
|
0.48
-0.58 |
≤0.35
|
8.00
-10.00 |
3.25
-4.50 |
20.00
-22.00 |
≤0.040
|
≤0.030
|
-
|
0.35-0.50
|
-
|
-
|
C+N≥0.90
|
|
2
|
2Cr21Ni12N
(21-12N)
|
0.15-0.28
|
0.75-1.25
|
1.00-
1.60 |
10.50-12.50
|
20.00
-22.00 |
≤0.035
|
≤0.030
|
-
|
0.15-0.30
|
-
|
-
|
||
|
3
|
5Cr21Mn8Ni2N
(21-2N)
|
0.50-0.60
|
0.08-0.25
|
7.00-
9.50 |
1.50-2.75
|
19.25-
21.50 |
≤0.040
|
≤0.030
|
-
|
0.22-0.40
|
-
|
-
|
-
|
|
|
4
|
5Cr21Mn9Ni4Nb2WN
(21-4NWNb)
|
0.48-0.58
|
≤0.35
|
8.00-
10.00 |
3.50-4.50
|
20.00-
22.00 |
≤0.040
|
≤0.030
|
-
|
0.35-0.50
|
0.80-1.20
|
1.80-2.50
|
-
|
|
|
5
|
3Cr23Ni8Mn3N
(23-8N) |
0.28-0.38
|
0.50-1.00
|
1.50-
3.50 |
7.00-9.00
|
22.00-
24.00 |
≤0.050
|
≤0.030
|
≤0.50
|
0.25-0.35
|
≤0.50
|
-
|
-
|
|
|
6
|
X60CrMnMoVNbN21-10
|
0.57-0.65
|
≤0.25
|
9.50-
11.50 |
≤1.50
|
20.00-
22.00 |
≤0.050
|
≤0.025
|
0.75-1.25
|
0.40-0.60
|
1.00-1.20
|
V:0.75-
1.00
|
||
|
7
|
X50CrMnNiNbN21-9
|
0.45-0.55
|
≤0.45
|
8.00-
10.00 |
3.50-5.00
|
20.00-
22.00 |
≤0.050
|
≤0.030
|
0.40-0.60
|
0.80-1.50
|
1.80-2.50
|
|||
|
8
|
4Cr14Ni4W2Mo
|
0.40-0.50 | ≤0.80 | ≤0.70 |
13.00-15.00
|
13.00-
15.00 |
≤0.035
|
≤0.030
|
0.26-0.40
|
-
|
2.00-2.75
|
-
|
-
|
|
|
9
|
3Cr20Ni11Mo2PB
(20-11PB) |
0.25-0.35 | ≤0.50 | ≤1.20 |
10.00-12.00
|
19.00-
21.00 |
0.18-0.25
|
≤0.030
|
1.80-2.50
|
≤0.07
|
-
|
-
|
B:0.001-0.01
|
|
|
10
|
马
氏
类
型
|
4Cr9Si2
|
0.35-0.50
|
2.00-3.00
|
≤0.70
|
≤0.60
|
8.00-
10.00 |
≤0.035
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
11
|
4Cr10Si2Mo
|
0.35-0.45
|
1.90-2.60
|
≤0.70
|
≤0.60
|
9.00-
10.50 |
≤0.035
|
≤0.030
|
0.70-0.90
|
-
|
-
|
-
|
-
|
|
|
12
|
X85CrMoV18-2
|
0.80-0.90
|
≤1.00
|
≤1.50
|
-
|
16.50-
18.50 |
≤0.040
|
≤0.030
|
2.00-2.50
|
-
|
-
|
-
|
V:0.30-
0.60
|
|
|
13
|
5Cr8Si2
|
0.45-0.55
|
1.00-2.00
|
≤0.60
|
≤0.60
|
7.50-
9.50 |
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
||
| 14 |
4(5)Cr9Si3
|
0.40-0.50
|
2.70-3.30
|
≤0.80
|
-
|
8.00-10.00
|
≤0.040
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
|
15
|
4Cr9Si2
|
0.35-0.50
|
2.00-3.00
|
≤0.70
|
≤0.60
|
8.00-10.00
|
≤0.035
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
| 16 |
422S
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
| 17 |
高温合金
|
Inconel 751
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
| 18 |
80A
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
|
牌号
|
热处理进度（ºC）
|
力学性能
|
硬度HB
|
|||
|
抗拉强度Mpaσb
|
屈服强度Mpa
σ0.2
|
伸长率%
δ5 |
收缩率%
ψ
|
|||
|
5Cr21Mn9Ni4N
(21-4N) |
固溶1100-1200快冷
时效730-780空冷 |
950
|
580
|
8
|
10
|
280-380
|
|
2Cr21Ni12N
(21-12N) |
固溶1100-1200快冷
时效700-800空冷 |
820
|
430
|
26
|
20
|
234-269
|
|
5Cr21Mn8Ni2N
(21-2N) |
固溶1100-1150急冷
时效730-780空冷 |
880
|
490
|
8
|
-
|
280-380
|
|
5Cr21Mn9Ni4Nb2WN
(21-4NWNb)
|
固溶1100-1200快冷
时效730-780空冷 |
950
|
580
|
8
|
10
|
280-380
|
|
3Cr23Ni8Mn3N
(23-8N)
|
固溶1150-1700水冷
时效800-830空冷 |
850
|
550
|
20
|
30
|
234-380
|
|
X60CrMnMoVNbN21-10
|
固溶1180-1200空冷
时效650-700空冷 |
1000-1250
|
800
|
8
|
10
|
|
|
X50CrMnNiNbN21-9
|
固溶1160-1200快冷
时效760-815空冷 |
950-1150
|
580
|
12
|
15
|
280-380
|
|
4Cr9Si2
|
淬火1020-1040油冷
回火700-780油冷 |
885
|
590
|
19
|
50
|
204-269
|
|
4Cr10Si2Mo
|
淬火1020-1040油冷
回火720-760空冷 |
885
|
685
|
10
|
35
|
204-269
|
|
X85CrMoV18-2
|
淬火1100-1200油冷
回火730-780空冷 |
1000-1200
|
800
|
7
|
12
|
296-355
|
|
5Cr8Si2
|
淬火1050-1080油冷
回火700-800急冷 |
885
|
685
|
15
|
35
|
204-269
|
|
4Cr9Si3
|
淬火980-1050油冷
回火700-850急冷 |
930
|
685
|
15
|
35
|
204-269
|
