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40CrNi

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20CrNi 45CrNi
#40CrNi

Description

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

Datasheet for: Steel Grades:Structure Steel: 40CrNi
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40CrNi GBT China China structural steel and alloy steel
20CrMnSi
25CrMnSi
30CrMnSi
30CrMnSiA
35CrMnSiA
20CrMnMo
40CrMnMo
20CrMnTi
30CrMnTi
20CrNi

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

C(％) Si(％) Mn(％) Cr(％) Ni(％)
0.37-0.44 0.17-0.37 0.50-0.80 0.45-0.75 1.00-1.40

Mechanical Properties of steel grade 40CrNi

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)
242 (≥) 495 (≥) 32 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 40CrNi

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
14 - -     0.24 -  
123 391 - 14.3 431   -  
287 - 12 43.2   113 241

Heat Treatment of steel grade 40CrNi

Heat treated : 1325°C - 1421°C

Technological Curves of steel grade 40CrNi

Cross Reference Table (Equivalent Grade) of 40CrNi

Grade Standard Country Application
40CrNi12 STAS/SR Romania Alloy structural steel
40CrNi12S STAS/SR Romania Alloy structural steel
40CrNi12q STAS/SR Romania Alloy structural steel
40CrNi GBT China China structural steel and alloy steel
40CrNiMoA GBT China China structural steel and alloy steel
ZUB140CrNiMo GBT China Cast steel rolls
20CrNi 45CrNi
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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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