25Mn steel wire
Chemical Compositions
|
grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
25Mn
|
0.22-0.29
|
0.17-0.37
|
0.70-1.00
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
25Mn A
|
0.22-0.29
|
0.17-0.37
|
0.70-1.00
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
25Mn E
|
0.22-0.29
|
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
|
|
25Mn
|
295
|
490
|
22
|
50
|
HBS10/3000
No heat treatment ≤207
|
grade Comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
25Mn
|
1026
|
SWRCH22K
|
C26D(1.0415)
|
25T
|
||
25Mn compared with steel 25 has high strength and harden ability, cold deformation of the plastic is good, welding medium, can be a good cutting ability. Tendency to temper embrittlement when heat treatment and thermal sensitivity. Applied to bolts. Nuts. Screws.
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Key words：25Mn steel wire steel wire
[Source：Original]
[Author：web]
[Date：09-01-13]
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