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у12A-2

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у12A-2 у12A-3
#у #12A-2

Description

Russia ГОСТ у12A-2 Carbide for cutting tools and у12A-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: у12A-2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy у12A-2 ГОСТ Russia Carbide for cutting tools
у11A-2
у11A-3
у11A-3
у12-1
у12-1
у12-3
у12-3
у12A-1
у12A-1
у12A-2

Chemical composition(mass fraction)(wt.%) of the у12A-2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
1.15-1.24 0.17-0.33 0.17-0.28 ≤0.025 ≤0.018 ≤0.12 0.12 0.20

Mechanical Properties of steel grade у12A-2

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)
848 (≥) 987 (≥) 23 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade у12A-2

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
23 - -     0.23 -  
196 521 - 32.3 143   -  
315 - 41 12.2   244 133

Heat Treatment of steel grade у12A-2

Heat treated : 1736°C - 1871°C

Technological Curves of steel grade у12A-2

Cross Reference Table (Equivalent Grade) of у12A-2

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
у12A-2 у12A-3
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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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