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GS-38CrNiMo8-4-4

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1.6740 1.6741
#GS-38CrNiMo8-4-4

Description

GS-38CrNiMo8-4-4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GS-38CrNiMo8-4-4
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel GS-38CrNiMo8-4-4
GS-24CrNiMo3-2-5
1.6552
G34CrNiMo6
1.6582
GS-34CrNiMo6
1.6582
G33CrNiMo7-4-4
1.6740
GS-33CrNiMo7-4-4
1.6740

Chemical composition(mass fraction)(wt.%) of the GS-38CrNiMo8-4-4

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
 0.35-0.40 0.40-0.60  0.40-0.60  0.035  0.035  0.90-1.20  1.90-2.20 
Mo Al Cu Nb Ti V Ce
0.40-0.50             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade GS-38CrNiMo8-4-4

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)
915 (≥) 743 (≥) 24 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade GS-38CrNiMo8-4-4

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
44 - -     0.44 -  
888 116 - 23.3 123   -  
143 - 42 11.2   413 211

Heat Treatment of steel grade GS-38CrNiMo8-4-4

Heat treated : 1696°C - 1211°C

Technological Curves of steel grade GS-38CrNiMo8-4-4

1.6740 1.6741
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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