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40Cr7Al10Mo2

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India IS 40Cr7Al10Mo2 Steels for Hardening and Tempering - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40Cr7Al10Mo2 / 40Cr7Al10Mo2
Category Grade Standard Region/Area Standard Content
Metals 40Cr7Al10Mo2 IS 5517 India Steels for Hardening and Tempering - Specification

Chemical composition(mass fraction)(wt.%) of the 40Cr7Al10Mo2

Element Min Max Similar
Si 0.1000 0.4500 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mo 0.1000 0.2500 -
Mn 0.4000 0.7000 -
Cr 1.5000 1.8000 -
C 0.3500 0.4500 -
Al 0.9000 1.3000 -
Si 0.1000 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mo 0.1000 0.2500 -
Mn 0.4000 0.7000 -
Cr 1.5000 1.8000 -
C 0.3500 0.4500 -
Al 0.9000 1.3000 -

Mechanical Properties of steel grade 40Cr7Al10Mo2

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)
213 (≥) 871 (≥) 12 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 40Cr7Al10Mo2

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 - -     0.23 -  
339 816 - 43.3 211   -  
958 - 14 32.2   321 331

Heat Treatment of steel grade 40Cr7Al10Mo2

Heat treated : 1342°C - 1773°C

Technological Curves of steel grade 40Cr7Al10Mo2

Cross Reference Table (Equivalent Grade) of 40Cr7Al10Mo2

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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