25 steel wire
Chemical Compositions
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
25
|
0.22-0.29
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
25A
|
0.22-0.29
|
0.17-0.37
|
0.50-0.80
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
25E
|
0.22-0.29
|
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
|
|
25
|
>0.20- ≤0.75
|
980
|
23
|
50
|
HBS10/3000
no heat treatment ≤170
|
|
>0.75- ≤1.0
|
880
|
||||
|
>1.0- ≤3.0
|
785
|
||||
|
>3.0- ≤6.0
|
685
|
||||
|
>6.0- ≤10.0
|
635
|
grade Comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
25
|
1025
|
S25C
|
C25(1.0406)
|
25
|
||
25 Steel of Characteristics and Uses
25 steel strength, hardness, plasticity and toughness, weld ability, cold plastic deformation of high, cutting ability of medium, harden ability and harden ability is not high. As bolts, nuts, etc.
25 steel strength, hardness, plasticity and toughness, weld ability, cold plastic deformation of high, cutting ability of medium, harden ability and harden ability is not high. As bolts, nuts, etc.
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[Source：Original]
[Author：web]
[Date：09-01-13]
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