G20CrMoA

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China GB G20CrMoA 渗碳轴承钢技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G20CrMoA / G20CrMoA

Category	Grade	Standard	Region/Area	Standard Content
Metals	G20CrMoA	GB/T 3203	China	渗碳轴承钢技术条件

Chemical composition(mass fraction)(wt.%) of the G20CrMoA

Element	Min	Max	Similar
C	0.1700	0.2300	-
Si	0.2000	0.3500	-
Mn	0.6500	0.9500	-
S	-	0.0200	-
P	-	0.0200	-
Cr	0.3500	0.6500	-
Cu	-	0.2500	-
Mo	0.0800	0.1500	-

Mechanical Properties of steel grade G20CrMoA

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
347 (≥)	538 (≥)	41	14	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade G20CrMoA

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
42	-	-			0.14	-
259	265	-	33.3	142		-
673	-	12	44.2			242	434

Heat Treatment of steel grade G20CrMoA

Heat treated : 1175°C - 1499°C

Technological Curves of steel grade G20CrMoA

No Curve

Cross Reference Table (Equivalent Grade) of G20CrMoA

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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