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38CrA

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25Cr2Ni4WA 30CrMnMoTiA
#38CrA

Description

China GBT 38CrA China structural steel and alloy steel and 38CrA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 38CrA
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 38CrA GBT China China structural steel and alloy steel
30CrNi3
37CrNi3
12CrNi4
20Cr2Ni4
20CrNiMo
40CrNiMoA
18CrNiMnMoA
45CrNiMoVA
18Cr2Ni4WA
25Cr2Ni4WA

Chemical composition(mass fraction)(wt.%) of the 38CrA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.34-0.42 0.17-0.37 0.50-0.80 0.025 0.025 0.80-1.10 Max 0.40 Max 0.25

Mechanical Properties of steel grade 38CrA

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)
883 (≥) 495 (≥) 12 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 38CrA

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
34 - -     0.23 -  
628 136 - 11.3 311   -  
556 - 43 23.2   424 344

Heat Treatment of steel grade 38CrA

Heat treated : 1199°C - 1982°C

Technological Curves of steel grade 38CrA

Cross Reference Table (Equivalent Grade) of 38CrA

Grade Standard Country Application
38CrA GBT China China structural steel and alloy steel
ML38CrA GBT China China structural steel and alloy steel
25Cr2Ni4WA 30CrMnMoTiA
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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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