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12Cr2Ni4H

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20CrNi3H 20CrNiMoH
#12Cr2Ni4H

Description

China GBT 12Cr2Ni4H China structural steel and alloy steel and 12Cr2Ni4H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 12Cr2Ni4H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 12Cr2Ni4H GBT China China structural steel and alloy steel
45CrH
40MnBH
45MnBH
20MnMoBH
20MnVBH
22MnVBH
20MnTiBH
20CrMnMoH
20CrMnTiH
20CrNi3H

Chemical composition(mass fraction)(wt.%) of the 12Cr2Ni4H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) B(%) Ti(%)
0.10-0.17 0.17-0.37 0.30-0.65 0.035 0.035 1.20-1.75 0.35-0.75 — —

Mechanical Properties of steel grade 12Cr2Ni4H

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)
764 (≥) 799 (≥) 34 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 12Cr2Ni4H

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
13 - -     0.41 -  
637 131 - 41.3 133   -  
167 - 14 14.2   243 114

Heat Treatment of steel grade 12Cr2Ni4H

Heat treated : 1177°C - 1224°C

Technological Curves of steel grade 12Cr2Ni4H

Cross Reference Table (Equivalent Grade) of 12Cr2Ni4H

Grade Standard Country Application
12Cr2Ni4H GBT China China structural steel and alloy steel
20CrNi3H 20CrNiMoH
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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