H22

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#H22

Description

USA ASTM H22 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: H22

Category	Class	Grade	Standard	Country	Application
Steel Grades	Tool Die Steels	H22	ASTM	USA	Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the H22

C	Si	Mn	P	S	Cr	Mo	V	W	Ni＋Cu
0.30 -0.40	0.15 -0.40	0.15 -0.40	≤0.030	≤0.030	1.75 -3.75	≤ ≥	0.25 -0.50	10.00 -11.75	≤0.75

Mechanical Properties of steel grade H22

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)
597 (≥)	488 (≥)	33	41	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	432

Physical Properties of steel grade H22

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	-	-			0.12	-
426	971	-	41.3	143		-
884	-	31	24.2			431	413

Heat Treatment of steel grade H22

Heat treated : 1172°C - 1488°C

Technological Curves of steel grade H22

No Curve

Cross Reference Table (Equivalent Grade) of H22

Grade	Standard	Country	Application
ASTM H22
SWRCH22A
SWRCH22K
SCH22
SCH22X
SCPH22
H22
H22
BH224/5
BH224/5

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H22