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у8A-3

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у8A-3 у8г-1
#у #8A-3

Description

Russia ГОСТ у8A-3 Carbide for cutting tools and у8A-3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: у8A-3
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy у8A-3 ГОСТ Russia Carbide for cutting tools
H03
S25
S25
у8-3
у8-3
у8A-1
у8A-1
у8A-2
у8A-2
у8A-3

Chemical composition(mass fraction)(wt.%) of the у8A-3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.75-0.81 0.17-0.33 0.17-0.28 ≤0.025 ≤0.018 0.20-0.40 0.25 0.25

Mechanical Properties of steel grade у8A-3

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)
376 (≥) 618 (≥) 43 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade у8A-3

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
14 - -     0.14 -  
976 553 - 23.3 131   -  
783 - 44 31.2   242 344

Heat Treatment of steel grade у8A-3

Heat treated : 1497°C - 1772°C

Technological Curves of steel grade у8A-3

Cross Reference Table (Equivalent Grade) of у8A-3

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
у8A-3 у8г-1
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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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