30 steel wire
Chemical Compositions
|
No
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
30
|
0.27-0.34
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
30A
|
0.27-0.34
|
0.17-0.37
|
0.50-0.80
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
30E
|
0.27-0.34
|
0.17-0.37
|
0.50-0.80
|
≤0.025
|
≤0.020
|
≤0.25
|
≤0.30
|
≤0.25
|
physical properties
|
Grade
|
state
|
tensile strength
σb /MPa (≥)
|
Elongation
δ5 / % (≥)
|
reduction of area
ψ/ % (≥)
|
hardness
|
|
30
|
cold drawing
|
540
|
7
|
50
|
HBS10/3000
No heat treatment≤179
|
|
annealing
|
≤635
|
|
grade Comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
30
|
1030
|
S30C
|
C30(1.0528)
|
30
|
||
30 steel strength, high hardness of more than 25 steel, plastic good, welding is still good, after heat treatment has good mechanical properties, good cutting performance, suitable for hot forging, hot stamping, hot forging and hot stamping for mechanical parts.
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Key words：30 steel wire steel wire
[Source：Original]
[Author：web]
[Date：09-01-13]
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