Chemical Compositions
|
Chemical composition/%
|
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|
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
Cu
|
N
|
Others
|
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|
202
|
≤0.15
|
≤1.0
|
≤7.5~10.0
|
≤0.060
|
≤0.03
|
4.00~
6.00
|
17.0~
19.0
|
——
|
——
|
≤0.25
|
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Physical Properties:
|
Grade
|
Heat Treatment
|
Y.S Mpa
|
T.S Mpa
|
Elasticity Modulus psi
|
HBS
|
HRB
|
HV
|
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|
202
|
1010~1120 Quick cool
|
≥275
|
≥520
|
≥400000
|
≤207
|
≤95
|
≤218
|
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