SPECIFICATIONS
|
|
|
|
Form
|
ASTM
|
|
|
Rod,Bar and forging
|
B 637
|
|
Item
|
600
|
601
|
617
|
625
|
690
|
718
|
X750
|
825
|
C
|
≤0.15
|
≤0.1
|
0.05-0.15
|
≤0.08
|
≤0.05
|
≤0.08
|
≤0.08
|
≤0.05
|
Mn
|
≤1
|
≤1.5
|
≤0.5
|
≤0.35
|
≤0.5
|
≤0.35
|
≤1
|
≤1
|
Fe
|
6-10
|
rest
|
≤3
|
rest
|
7-11
|
rest
|
5-9
|
≥22
|
P
|
≤0.015
|
≤0.02
|
≤0.015
|
--
|
--
|
--
|
--
|
--
|
S
|
≤0.015
|
≤0.015
|
≤0.015
|
≤0.015
|
≤0.015
|
≤0.01
|
≤0.01
|
≤0.03
|
Si
|
≤0.5
|
≤0.5
|
≤0.5
|
≤0.35
|
≤0.5
|
≤0.35
|
≤0.5
|
≤0.5
|
Cu
|
≤0.5
|
≤1
|
--
|
≤0.3
|
≤0.5
|
≤0.3
|
≤0.5
|
1.5-3
|
Ni
|
≥7.2
|
58-63
|
≥44.5
|
50-55
|
≥58
|
50-55
|
≥70
|
38-46
|
Co
|
--
|
--
|
10-15
|
≤10
|
--
|
≤1
|
≤1
|
--
|
Al
|
--
|
1-1.7
|
0.8-1.5
|
≤0.8
|
--
|
0.2-0.8
|
0.4-1
|
≤0.2
|
Ti
|
--
|
--
|
≤0.6
|
≤1.15
|
--
|
--
|
2.25-2.75
|
0.6-1.2
|
Cr
|
14-17
|
21-25
|
20-24
|
17-21
|
27-31
|
17-21
|
14-17
|
19.5-23.5
|
Nb+Ta
|
--
|
--
|
--
|
4.75-5.5
|
--
|
4.75-5.5
|
0.7-1.2
|
--
|
Mo
|
--
|
--
|
8-10
|
2.8-3.3
|
--
|
2.8-3.3
|
--
|
2.5-3.5
|
B
|
--
|
--
|
≤0.006
|
--
|
--
|
--
|
--
|
--
|
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Q:What is the lead time?
A:Usually sample lead time is 7 days after payment has been confirmed.