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G42

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C38 GMo-3
#G42

Description

Czech Republic CSN G42 The Czech republic Structural steel and G42 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: G42
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel G42 CSN Czech Republic The Czech republic Structural steel
05 5387
05 5388
05 5389
05 5391
05 5392
05 5393
05 5394
05 5395
05 5397
C38

Chemical composition(mass fraction)(wt.%) of the G42

C(％) Si(％) Mn(％) P(％) S(％) Ni(％)
0.06-0.12 0.10-0.25 0.70-1.00 0.020 0.025 0.30-0.50

Mechanical Properties of steel grade G42

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)
782 (≥) 152 (≥) 42 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade G42

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
33 - -     0.43 -  
587 196 - 31.3 344   -  
373 - 24 11.2   222 422

Heat Treatment of steel grade G42

Heat treated : 1321°C - 1954°C

Technological Curves of steel grade G42

Cross Reference Table (Equivalent Grade) of G42

Grade Standard Country Application
G42 CSN Czech Republic The Czech republic Structural steel
JG4246 GBT China Superalloys and high temperature intermetallic materials
JG4246A GBT China Superalloys and high temperature intermetallic materials
ZG42Cr1Mo(ZG42CrMo) GBT China Large castings with low alloy cast steel
C38 GMo-3
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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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