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20CrNiMo

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20Cr2Ni4 40CrNiMoA
#20CrNiMo

Description

China GBT 20CrNiMo China structural steel and alloy steel and 20CrNiMo Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the 20CrNiMo

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％)
0.17-0.23 0.17-0.37 0.60-0.95 0.40-0.70 0.35-0.75 0.20-0.30

Mechanical Properties of steel grade 20CrNiMo

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)
244 (≥) 623 (≥) 23 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 20CrNiMo

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
12 - -     0.24 -  
324 195 - 13.3 443   -  
448 - 13 31.2   224 143

Heat Treatment of steel grade 20CrNiMo

Heat treated : 1474°C - 1968°C

Technological Curves of steel grade 20CrNiMo

Cross Reference Table (Equivalent Grade) of 20CrNiMo

Grade Standard Country Application
20CrNiMo GBT China China structural steel and alloy steel
20CrNiMoH GBT China China structural steel and alloy steel
G20CrNiMo GBT China China structural steel and alloy steel
20Cr2Ni4 40CrNiMoA
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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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