T1222 / GB / JIS G4801 / ASTM A29M long Spring Steel Flat Bar of Mild Steel Products
As per ASTM A29M, JIS G4801-2005, GB/T 3077, GB/T1222 etc.
Thickness: 6mm - 30mm
Width: 45mm – 120mm
Length: 5800mm – 6000mm
Minimum order: 50MT per size
Specifications:
Spring Steel Product
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Similar Brands
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Chemical Composition(percent)
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China
|
USA.
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JAP.
|
C
|
Si
|
Mn
|
Cr
|
V
|
B
|
Ni
|
Cu
|
P
|
S
|
GB
|
AISI
|
JIS
|
|
|
|
|
|
|
|
|
|
|
55SiMnVB
|
51B60
|
SUP11
|
0.52-0.60
|
0.70-1.00
|
1.00-1.30
|
≤0.35
|
0.08-0.16
|
0.0005-0.0035
|
≤0.35
|
≤0.25
|
≤0.035
|
≤0.035
|
60SiMn
|
9260
|
SUP7
|
0.56-0.64
|
1.50-2.00
|
0.60-0.90
|
≤0.35
|
--
|
--
|
≤0.35
|
≤0.25
|
≤0.035
|
≤0.035
|
50CrVA
|
6150
|
SUP10
|
0.46-0.54
|
0.17-0.37
|
0.50-0.80
|
0.80-1.10
|
0.10-0.20
|
--
|
≤0.35
|
≤0.25
|
≤0.035
|
≤0.035
|
55CrMnA
|
5155
|
S
P9
|
0.52-0.60
|
0.17-0.37
|
0.65-0.95
|
0.65-0.95
|
--
|
--
|
≤0.35
|
≤0.25
|
≤0.035
|
≤0.035
|
60CrMnA
|
5160
|
SUP9A
|
0.56-0.64
|
0.17-0.37
|
0.70-1.00
|
0.70-1.00
|
--
|
--
|
≤0.35
|
≤0.25
|
≤0.035
|
≤0.035
|
60CrMnBA
|
51B60
|
SUP11
|
0.56-0.64
|
0.17-0.37
|
0.70-1.00
|
0.70-1.00
|
--
|
0.0005-0.004
|
≤0.35
|
≤0.25
|
≤0.035
|
≤0.035
|
|
|
|
|
|
|
|
|
|
≤0.20
|
≤0.20
|
≤0.015
|
≤0.015
|
|
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