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G4

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G4 G27
#G4

Description

Sweden SS G4 Carbide for cutting tools and G4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: G4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy G4 SS Sweden Carbide for cutting tools
GC1025
B1
B1
B2
B2
B23
B23
B45
B45
G4

Chemical composition(mass fraction)(wt.%) of the G4

Co(%)
20

Mechanical Properties of steel grade G4

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)
569 (≥) 787 (≥) 33 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade G4

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
24 - -     0.23 -  
769 596 - 21.3 441   -  
396 - 32 12.2   134 443

Heat Treatment of steel grade G4

Heat treated : 1195°C - 1175°C

Technological Curves of steel grade G4

Cross Reference Table (Equivalent Grade) of G4

Grade Standard Country Application
YG4C China Hard alloy tungsten cobalt class
TG4 AFNOR France Carbide for cutting tools
TG4 AFNOR France Carbide for cutting tools
TG4 AFNOR France Carbide for cutting tools
TG4 AFNOR France Carbide for cutting tools
G40 AFNOR France Carbide for cutting tools
G40 AFNOR France Carbide for cutting tools
G50 AFNOR France Carbide for cutting tools
G50 AFNOR France Carbide for cutting tools
H03 AFNOR France Carbide for cutting tools
H03 AFNOR France Carbide for cutting tools
CG40 SS Sweden Carbide for cutting tools
CG40 SS Sweden Carbide for cutting tools
G4 SS Sweden Carbide for cutting tools
G4 SS Sweden Carbide for cutting tools
S235J2G4 UNE Spain Spain structural steel
S275J2G4 UNE Spain Spain structural steel
S355J2G4 UNE Spain Spain structural steel
S355K2G4 UNE Spain Spain structural steel
G42 CSN Czech Republic The Czech republic Structural steel
G4 G27
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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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