65 steel wire
Chemical Compositions
|
Grade
|
(C)%
|
(Si)%
|
(Mn)%
|
(P)%
|
(S)%
|
(Cr)%
|
(Ni) %
|
(Cu) %
|
|
65
|
0.62-0.70
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
≤0.25
|
|
65A
|
0.62-0.70
|
0.17-0.37
|
0.50-0.80
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.30
|
≤0.25
|
|
65E
|
0.62-0.70
|
0.17-0.37
|
0.50-0.80
|
≤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
|
|
65
|
410
|
695
|
10
|
30
|
HBS10/3000
No heat treatment≤255
Annealing ≤229
|
grade Comparison
|
China
GB YB
|
American
ASTM
|
Japan
JIS
|
Germany
DIN EN
|
UK
BS EN
|
French
NF EN
|
Russian
rOCT
|
|
65
|
1065
|
SWRH67B
|
C66D(1.0612)
|
65
|
||
65 steel of Characteristics and Uses
Cold treatment or after the hardware of high strength and flexibility, cold plastic deformation is low, good harden ability , withstand dynamic loading and fatigue load-competency. For the working temperature is not high, the larger size springs, such as cars, tractors, railway vehicles and general machinery
Cold treatment or after the hardware of high strength and flexibility, cold plastic deformation is low, good harden ability , withstand dynamic loading and fatigue load-competency. For the working temperature is not high, the larger size springs, such as cars, tractors, railway vehicles and general machinery
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[Source：Original]
[Author：web]
[Date：09-01-13]
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