H24

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#H24

Description

USA ASTM H24 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: H24

Category	Class	Grade	Standard	Country	Application
Steel Grades	Tool Die Steels	H24	ASTM	USA	Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the H24

C	Si	Mn	P	S	Cr	Mo	V	W	Ni＋Cu
0.42 -0.53	0.15 -0.40	0.15 -0.40	≤0.030	≤0.030	2.50 -3.50	≤ ≥	0.40 -0.60	14.00 -16.00	≤0.75

Mechanical Properties of steel grade H24

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
664 (≥)	349 (≥)	42	41	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	322

Physical Properties of steel grade H24

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	-	-			0.14	-
146	841	-	21.3	224		-
693	-	41	21.2			211	111

Heat Treatment of steel grade H24

Heat treated : 1495°C - 1154°C

Technological Curves of steel grade H24

No Curve

Cross Reference Table (Equivalent Grade) of H24

Grade	Standard	Country	Application
ASTM H24
SWRCH24K
SCH24
SCH24X
SCH24XNb
H24
08X15H24Φ4TP

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H24