ГОСТ у8,у8A,у8ΓΑ
ГОСТ у8,у8A,у8ΓΑ PDF ГОСТ у8,у8A,у8ΓΑ Word
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy у8,у8A,у8ΓΑ ГОСТ Russia Carbide for cutting tools
у13-3
у13-3
у13A-1
у13A-1
у13A-2
у13A-2
у13A-3
у13A-3
у7,у7A
у8,у8A,у8ΓΑ
Datasheet for:Steel Grades:Tool Steel And Hard Alloy:у8,у8A,у8ΓΑ

Chemical composition(mass fraction)(wt.%) of the у8,у8A,у8ΓΑ

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade у8,у8A,у8ΓΑ

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)
331 (≥) 546 (≥) 12 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
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
32 - -     0.43 -  
452 315 - 11.3 413   -  
799 - 32 41.2   432 112
Heat treated : 1599°C - 1441°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
у8-3 ГОСТ Russia
Carbide for cutting tools
у8-3 ГОСТ Russia
Carbide for cutting tools
у8A-1 ГОСТ Russia
Carbide for cutting tools
у8A-1 ГОСТ Russia
Carbide for cutting tools
у8A-2 Russia
Carbide for cutting tools
у8A-2 Russia
Carbide for cutting tools
у8A-3 ГОСТ Russia
Carbide for cutting tools
у8A-3 ГОСТ Russia
Carbide for cutting tools
у8г-1 Russia
Carbide for cutting tools
у8г-1 Russia
Carbide for cutting tools
у8г-3 ГОСТ Russia
Carbide for cutting tools
у8г-3 ГОСТ Russia
Carbide for cutting tools
у8гA-1 ГОСТ Russia
Carbide for cutting tools
у8гA-1 ГОСТ Russia
Carbide for cutting tools
у8гA-2 ГОСТ Russia
Carbide for cutting tools
у8гA-2 ГОСТ Russia
Carbide for cutting tools
у8гA-3 ГОСТ Russia
Carbide for cutting tools
у8гA-3 ГОСТ Russia
Carbide for cutting tools
у9-1 ГОСТ Russia
Carbide for cutting tools
у9-1 ГОСТ Russia
Carbide for cutting tools
у8,у8A,у8ΓΑ

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