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A521 Class CG

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America ASTM A521ClassCG 一般工业用闭式模钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A521ClassCG / A521 Class CG
Category Grade Standard Region/Area Standard Content
Metals A521 Class CG ASTM A521/A521M America 一般工业用闭式模钢锻件

Chemical composition(mass fraction)(wt.%) of the A521 Class CG

Element Min Max Similar

Mechanical Properties of steel grade A521 Class CG

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
541 (≥) 834 (≥) 42 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade A521 Class CG

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
32 - -     0.22 -  
142 352 - 11.3 133   -  
375 - 44 41.2   421 233

Heat Treatment of steel grade A521 Class CG

Heat treated : 1178°C - 1927°C

Technological Curves of steel grade A521 Class CG

Cross Reference Table (Equivalent Grade) of A521 Class CG

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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