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Spring Steel

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Spring Steel  Spring Steel  Spring Steel  Spring Steel  
This steel is produced according to GB/T1222、JIS、DIN、ASTM standards,and its representative steel grades are SAE5160、SAE9255、JIS SuP9(A)etc. Main Application:Spring steel is made into important mechanical parts widely used for automobile, tractor, railway vehicle and instrument industry.

We are the spring steel production base with up-to-date technological equipment in domestic, and won batch supply approval of world class company.

We not only supply to our domestic atuo Group in China but also export to USA, Korea, South East Asia.

STANDARD
CHEMICAL COMPOSITION
SAE
JIS
DIN
C
Si
Mn
Cr
V
B
P
S
1066
/
/
0.62
-0.70
0.17
-0.37
0.90
-1.20
≤0.25
/
/
0.035
0.035
9255
/
55Si7
0.52
-0.60
1.50
-2.00
0.60
-0.90
≤0.35
/
/
0.035
0.035
9260
SUP6
60Si7
0.56
-0.64
1.50
-2.00
0.60
-0.90
≤0.35
/
/
0.035
0.035
9260
SUP6
60Si7
0.56
-0.64
1.60
-2.00
0.60
-0.90
≤0.35
/
/
0.030
0.030
5155
SSUP9
55Cr3
0.52
-0.60
0.17
-0.37
0.65
-0.95
0.65
-0.95
/
/
0.030
0.030
5160
SUP9A
/
0.56
-0.64
0.17
-0.37
0.70
-1.00
0.70
-1.00
/
/
0.030
0.030
5160H
/
/
0.55
-0.65
0.15
-0.30
0.65
-1.10
0.60
-1.00
/
/
0.035
0.040
6150
SUS10A
51CrV4
0.46
-0.54
0.17
-0.37
0.50
-0.80
0.80
-1.10
0.10-0.20
/
0.030
0.030
6150H
/
/
0.47
-0.54
0.15
-0.35
0.60
-1.00
0.75
-1.20
0.15(min)
/
0.035
0.040
51B60
SUS11
58CrMnB4
0.56
-0.64
0.17
-0.37
0.70
-1.00
0.70
-1.00
/
0.0005
-0.004
0.030
0.030
51B60
SUS11
58CrMnB4
0.52
-0.60
0.70
-1.00
0.70
-1.00
≤0.35
0.08
-0.16
0.0005
-0.0035
0.030
0.030

Available Specification:

SAE 5155、SAE 5160、SAE 6150、SAE 51B60 and etc :
● Φ10-80  ■ 50-90  ■ 6-40×50-140 (mm)

SAE 5160H、SAE 6150H :
● Φ12—80  ■ 5-40 × 45-120 (mm)

● Round Bar  ■ Square or Flat Bar


Please send us your needs, and we will reply to you within one business day, thanks!

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