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20Cr2Ni4

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12CrNi4 20CrNiMo
#20Cr2Ni4

Description

China GBT 20Cr2Ni4 China structural steel and alloy steel and 20Cr2Ni4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the 20Cr2Ni4

C(％) Si(％) Mn(％) Cr(％) Ni(％)
0.17-0.23 0.17-0.37 0.30-0.60 1.25-1.65 3.25-3.65

Mechanical Properties of steel grade 20Cr2Ni4

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)
939 (≥) 529 (≥) 32 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 20Cr2Ni4

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
23 - -     0.21 -  
979 437 - 41.3 433   -  
577 - 11 43.2   324 341

Heat Treatment of steel grade 20Cr2Ni4

Heat treated : 1134°C - 1481°C

Technological Curves of steel grade 20Cr2Ni4

Cross Reference Table (Equivalent Grade) of 20Cr2Ni4

Grade Standard Country Application
20Cr2Ni4 GBT China China structural steel and alloy steel
G20Cr2Ni4 GBT China China structural steel and alloy steel
12CrNi4 20CrNiMo
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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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