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40CrNiMoA

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20CrNiMo 18CrNiMnMoA
#40CrNiMoA

Description

China GBT 40CrNiMoA China structural steel and alloy steel and 40CrNiMoA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40CrNiMoA
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40CrNiMoA GBT China China structural steel and alloy steel
45CrNi
50CrNi
12CrNi2
12CrNi3
20CrNi3
30CrNi3
37CrNi3
12CrNi4
20Cr2Ni4
20CrNiMo

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

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％)
0.37-0.44 0.17-0.37 0.50-0.80 0.60-0.90 1.25-1.65 0.15-0.25

Mechanical Properties of steel grade 40CrNiMoA

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)
152 (≥) 751 (≥) 21 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 40CrNiMoA

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
21 - -     0.43 -  
962 753 - 33.3 123   -  
928 - 41 34.2   134 213

Heat Treatment of steel grade 40CrNiMoA

Heat treated : 1812°C - 1882°C

Technological Curves of steel grade 40CrNiMoA

Cross Reference Table (Equivalent Grade) of 40CrNiMoA

Grade Standard Country Application
40CrNiMoA GBT China China structural steel and alloy steel
20CrNiMo 18CrNiMnMoA
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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