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A128 Grade E-2

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America ASTM A128GradeE-2 钢铸件，奥氏体锰 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A128GradeE-2 / A128 Grade E-2
Category Grade Standard Region/Area Standard Content
Metals A128 Grade E-2 ASTM A128/A128M America 钢铸件，奥氏体锰

Chemical composition(mass fraction)(wt.%) of the A128 Grade E-2

Element Min Max Similar
Mo 1.8000 2.1000 -
Si - 1.0000 -
P - 0.0700 -
Mn 11.5000 14.0000 -
C 1.0500 1.4500 -

Mechanical Properties of steel grade A128 Grade E-2

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)
834 (≥) 289 (≥) 11 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade A128 Grade E-2

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
41 - -     0.12 -  
144 957 - 12.3 413   -  
366 - 31 22.2   233 311

Heat Treatment of steel grade A128 Grade E-2

Heat treated : 1582°C - 1521°C

Technological Curves of steel grade A128 Grade E-2

Cross Reference Table (Equivalent Grade) of A128 Grade E-2

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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