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40Ni3

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India IS 40Ni3 Schedules for wrought steels Part 4 Alloy steels (Alloy constructional and spring steels) with specified chemical composition andd mechanical properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40Ni3 / 40Ni3
Category Grade Standard Region/Area Standard Content
Metals 40Ni3 IS 1570-4 India Schedules for wrought steels Part 4 Alloy steels (Alloy constructional and spring steels) with specified chemical composition andd mechanical properties

Chemical composition(mass fraction)(wt.%) of the 40Ni3

Element Min Max Similar
Si 0.1000 0.3500 -
Ni 3.2000 3.6000 -
Mn 0.5000 0.8000 -
Cr - 0.3000 -
C 0.3500 0.4500 -

Mechanical Properties of steel grade 40Ni3

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)
436 (≥) 229 (≥) 21 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 40Ni3

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
31 - -     0.23 -  
537 458 - 42.3 442   -  
179 - 41 22.2   331 313

Heat Treatment of steel grade 40Ni3

Heat treated : 1461°C - 1735°C

Technological Curves of steel grade 40Ni3

Cross Reference Table (Equivalent Grade) of 40Ni3

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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