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T20843

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H43 A2
#T20843

Description

USA UNS T20843 Alloy tool steel and T20843 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T20843
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T20843 UNS USA Alloy tool steel
T20824
H25
T20825
H26
T20826
H41
T20841
H42
T20842
H43

Chemical composition(mass fraction)(wt.%) of the T20843

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.50～0.65 0.20～0.45 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 7.75～8.50 1.80～2.20

Mechanical Properties of steel grade T20843

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)
558 (≥) 162 (≥) 11 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade T20843

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
31 - -     0.32 -  
758 341 - 12.3 434   -  
734 - 31 41.2   431 331

Heat Treatment of steel grade T20843

Heat treated : 1279°C - 1575°C

Technological Curves of steel grade T20843

Cross Reference Table (Equivalent Grade) of T20843

Grade Standard Country Application
T20843 UNS USA Alloy tool steel
H43 A2
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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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