20 steel wire
Chemical Compositions
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
20
|
0.17-0.23
|
0.17-0.37
|
0.35-0.65
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
20A
|
0.17-0.23
|
0.17-0.37
|
0.35-0.65
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
20E
|
0.17-0.23
|
0.17-0.37
|
0.35-0.65
|
≤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
|
|
20
|
245
|
410
|
25
|
55
|
HBS10/3000
no heat treatment ≤156
|
grade Comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
20
|
1020
|
S20C
|
C22(1.0402)
|
20
|
||
20 steel 20 is carbon, carbon content of 0.2%, a low-carbon steel
Features the high quality low carbon steel , cold extrusion, deep on hardened steel. The lower steel strength, toughness, good ductility and weld ability are. Normalizing to promote the ball, thinning large block eutectoid ferrite and improve the cutting performance than 160HBS rough.
Features the high quality low carbon steel , cold extrusion, deep on hardened steel. The lower steel strength, toughness, good ductility and weld ability are. Normalizing to promote the ball, thinning large block eutectoid ferrite and improve the cutting performance than 160HBS rough.
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[Source：Original]
[Author：web]
[Date：09-01-13]
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