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Specification Material And Style
(Valve steel bar constituent and mechanical behaviour):

 

 

 

牌号
JIS
化学成份(chemical composition)% 机械性能
(mechanical behaviour)
硬度
C Si Mn P S Ni Ni Mo Cu 其它 抗拉
强度
2 kgf
/mu
屈服
强度
2 kgf
/mu
(hard
-ness)
HRC
40Cr 0.37-
0.45
0.20-
0.40
0.50-
0.80

0.040

0.040
- 0.80-
1.10
- - - ≥90 ≥70 32-38
SUH1
4Cr9Si2
0.40-
0.50
3.00-
3.50

0.60

0.030

0.030

0.060
7.50-
9.50
- (≤
0.30)
- ≥95 ≥70 32-38
SUH3
4Cr10Si2Mo
0.35-
0.45
1.80-
2.50

0.60

0.030

0.030

0.060
10.00-
12.00
0.70-
1.30
(≤
0.30)
- ≥95 ≥70 21-33

SUH1
4Cr9Si2
0.40-
0.50
3.00-
3.50

0.60

0.030

0.030

0.060
7.50-
9.50
- (≤
0.30)
- ≥95 ≥70 32-38
SUH3
4Cr10Si2Mo
0.35-
0.45
1.80-
2.50

0.060

0.030

0.030

0.060
10.00-
12.00
0.70-
1.30
(≤
0.30)
- ≥95 ≥70 21-33
SUH35
21-4N
0.45-
0.58

0.35
8.00-
10.00

0.040

0.030
3.25-
4.50
20.00-
22.00
- - N 0.35-
0.50
≥90 ≥70 30-35
 
(Stellite cobalt alloy chemical composition and hardness):

 

 

牌号
JIS
化学成份(chemical composition)% 硬度
                  HRC
STEL
-LITE
NO.32
Min
Max
21
24
0.9
1.3
0.85
1.35
3.0

24
27
0.6

1.5
2.0
11.5
13
HRC42
  STEL
-LITE
NO.6
Min
Max
3.0 2.0 3.0 1.0 26
32
1.0 1.4 3
6
HRC43
锥面
焊接料

STEL
-LITE
NO.12
Min
Max
3.0 2.0 3.0 1.0 26
32
1.0 1.2
1.7
7
9
HRC48
轴端 焊接用料
STEL
-LITE
NO.1
Min
Max
3.0 2.0 3.0 1.0 26
32
1.0 2

3
11
14
HRC53

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