40Mn steel wire
Chemical Compositions
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
40Mn
|
0.37-0.44
|
0.17-0.37
|
0.70-1.00
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
40Mn A
|
0.37-0.44
|
0.17-0.37
|
0.70-1.00
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
40Mn E
|
0.37-0.44
|
0.17-0.37
|
0.70-1.00
|
≤0.025
|
≤0.020
|
≤0.25
|
≤0.30
|
≤0.25
|
physical properties
|
Grade
|
yield point MPa (≥)
|
tensile strength
σb /MPa (≥)
|
Elongation
δ5 / % (≥)
|
reduction of area
ψ/ % (≥)
|
hardness
|
|
40Mn
|
355
|
590
|
17
|
45
|
HBS10/3000
No heat treatment ≤229
Annealing ≤207
|
Grade comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
40Mn
|
1039
|
SWRCH40K
|
C40(1.0511)
|
40T
|
||
Hardenability slightly higher than the 40 steel, quenched and tempered, strength, hardness, toughness, higher than 40 steel, cutting performance, Medium cold plastic deformation, welding low, there is overheating sensitivity and temper brittleness
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Key words：40Mn steel wire steel wire
[Source：Original]
[Author：web]
[Date：09-01-13]
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