H25

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#H25

Description

USA ASTM H25 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: H25

Category	Class	Grade	Standard	Country	Application
Steel Grades	Tool Die Steels	H25	ASTM	USA	Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the H25

C	Si	Mn	P	S	Cr	Mo	V	W	Ni＋Cu
0.22 -0.32	0.15 -0.40	0.15 -0.40	≤0.030	≤0.030	3.75 -4.50	≤ ≥	0.40 -0.60	14.00 -16.00	≤0.75

Mechanical Properties of steel grade H25

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)
254 (≥)	648 (≥)	31	22	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade H25

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
33	-	-			0.41	-
886	279	-	23.3	231		-
244	-	23	33.2			423	421

Heat Treatment of steel grade H25

Heat treated : 1931°C - 1825°C

Technological Curves of steel grade H25

No Curve

Cross Reference Table (Equivalent Grade) of H25

Grade	Standard	Country	Application
ASTM H25
SWRCH25A
SWRCH25K
H25
36X18H25C2

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H25