50Mn steel wire
Chemical Compositions
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
50Mn
|
0.48-0.56
|
0.17-0.37
|
0.70-1.00
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
50Mn A
|
0.48-0.56
|
0.17-0.37
|
0.70-1.00
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
50Mn E
|
0.48-0.56
|
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
|
|
50Mn
|
390
|
645
|
13
|
40
|
HBS10/3000
No heat treatment ≤255
Annealing ≤217
|
grade Comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
50Mn
|
1053
|
SWRCH50K
|
C50(1.0540)
|
50T
|
||
50Mn
50 Mn with similar to steel 50,but its high harden ability , heat treatment strength, hardness, spring steel are slightly higher than 50. Poor welding, thermal sensitivity and a tendency to temper brittleness
50 Mn with similar to steel 50,but its high harden ability , heat treatment strength, hardness, spring steel are slightly higher than 50. Poor welding, thermal sensitivity and a tendency to temper brittleness
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[Source：Original]
[Author：web]
[Date：09-01-13]
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