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H43

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T20842 T20843
#H43

Description

USA ASTM H43 Alloy tool steel and H43 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: H43
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy H43 ASTM USA Alloy tool steel
H24
T20824
H25
T20825
H26
T20826
H41
T20841
H42
T20842

Chemical composition(mass fraction)(wt.%) of the H43

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 H43

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)
385 (≥) 315 (≥) 12 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade H43

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
12 - -     0.41 -  
381 857 - 22.3 322   -  
291 - 11 23.2   233 223

Heat Treatment of steel grade H43

Heat treated : 1225°C - 1368°C

Technological Curves of steel grade H43

Cross Reference Table (Equivalent Grade) of H43

Grade Standard Country Application
H43 ASTM USA Alloy tool steel
SWRCH43K CNS China China Taiwan Structural steel
GH4302 GBT China Nickel base superalloy
HGH4356 GBT China Super alloy welding wire
T20842 T20843
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