50 steel wire
Chemical Compositions
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
50
|
0.47-0.55
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
50A
|
0.47-0.55
|
0.17-0.37
|
0.50-0.80
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
50E
|
0.47-0.55
|
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
|
|
50
|
>0.20- ≤0.75
|
1080
|
14
|
40
|
HBS10/3000
No heat treatment ≤241
Annealing ≤207
|
|
>0.75- ≤1.0
|
980
|
||||
|
>1.0- ≤3.0
|
880
|
||||
|
>3.0- ≤6.0
|
785
|
||||
|
>6.0- ≤10.0
|
735
|
grade comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
50
|
1050
|
S50C
|
C50(1.0540)
|
50
|
||
50 steel Characteristics
Carbon high strength steel, the cutting of steel to the middle, cold plastic deformation is low, poor welding, heat treatment, no temper brittleness, but lower harden ability , the critical diameter of water 13 * 30mm, and when water quenched with crack inclination. This steel is usually normalizing or quenching and tempering, or high-frequency surface hardening heat treatment before use.
Carbon high strength steel, the cutting of steel to the middle, cold plastic deformation is low, poor welding, heat treatment, no temper brittleness, but lower harden ability , the critical diameter of water 13 * 30mm, and when water quenched with crack inclination. This steel is usually normalizing or quenching and tempering, or high-frequency surface hardening heat treatment before use.
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[Source：Original]
[Author：web]
[Date：09-01-13]
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