A25 Class B

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America ASTM A25ClassB 电气化铁路服务锻钢轮 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A25ClassB / A25 Class B

Category	Grade	Standard	Region/Area	Standard Content
Metals	A25 Class B	ASTM A25	America	电气化铁路服务锻钢轮

Chemical composition(mass fraction)(wt.%) of the A25 Class B

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade A25 Class B

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)
974 (≥)	353 (≥)	23	22	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade A25 Class B

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
24	-	-			0.13	-
728	663	-	14.3	142		-
931	-	44	33.2			234	413

Heat Treatment of steel grade A25 Class B

Heat treated : 1845°C - 1726°C

Technological Curves of steel grade A25 Class B

No Curve

Cross Reference Table (Equivalent Grade) of A25 Class B

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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