40 steel wire
chemical composition
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
40
|
0.37-0.44
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
40A
|
0.37-0.44
|
0.17-0.37
|
0.50-0.80
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
40E
|
0.37-0.44
|
0.17-0.37
|
0.50-0.80
|
≤0.025
|
≤0.020
|
≤0.25
|
≤0.30
|
≤0.25
|
physical properties
|
Grade
|
wire diameter
mm
|
tensile strength
σb /MPa (≥)
|
Elongation
δ5 / % (≥)
|
reduction of area
ψ/ % (≥)
|
hardness
|
|
40
|
>0.20- ≤0.75
|
1080
|
19
|
45
|
HBS10/3000
No heat treatment ≤217
Annealing ≤187
|
|
>0.75- ≤1.0
|
980
|
||||
|
>1.0- ≤3.0
|
880
|
||||
|
>3.0- ≤6.0
|
785
|
||||
|
>6.0- ≤10.0
|
735
|
Grade comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
40
|
1040
|
S40C
|
C40(1.0511)
|
40
|
||
40 high strength, good machinability. Cold deformation of medium, poor welding, low hardenability
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Key words：40 steel wire steel wire
[Source：Original]
[Author：web]
[Date：09-01-13]
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