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A25 Class A

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America ASTM A25ClassA 电气化铁路服务锻钢轮 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A25ClassA / A25 Class A
Category Grade Standard Region/Area Standard Content
Metals A25 Class A ASTM A25 America 电气化铁路服务锻钢轮

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

Element Min Max Similar
Si 0.1500 - -
S - 0.0500 -
P - 0.0500 -
Mn 0.6000 0.8500 -
C 0.4700 0.5700 -

Mechanical Properties of steel grade A25 Class A

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)
569 (≥) 889 (≥) 23 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade A25 Class A

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
13 - -     0.44 -  
274 934 - 33.3 334   -  
794 - 42 13.2   323 342

Heat Treatment of steel grade A25 Class A

Heat treated : 1723°C - 1871°C

Technological Curves of steel grade A25 Class A

Cross Reference Table (Equivalent Grade) of A25 Class A

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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