**H22**Application:Alloy tool steel
Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	H22	ASTM	USA

Chemical composition%of the ladle analysis of gradeH22

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	V(%)	W(%)
0.30～0.40	0.15～0.40	0.15～0.40	≤0.030	≤0.030	1.75～3.75	0.25～0.50	10.0～11.75

H22

Mechanical properties of gradeH22
Proof strength R_p0.2(MPa)	Tensile strength R_m(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
945(≥)	772(≥)	23	24	44	Solution and Aging,Annealing,Ausaging,Q+T,etc	332

Physical properties of gradeH22
Property	Density kg/dm3	Temperature T °C/F	Specific heat J/kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2
655(≥)	352(≥)	43	32	24	Solution and Aging,Annealing,Ausaging,Q+T,etc	132
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
861	677	677

H22Range of products
Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	Forging,hot rolling and cold rolling	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel Bar	Round Bar,Flat Bar,Square Bar	Φ8-1200mm*L	Forging,hot rolling and cold rolling,Cast	Black,Rough Turning,Shot Blasting,
Coil/Strip	Steel Coil/Steel Strip	0.03-16.0x1200mm	Cold-Rolled&Hot-Rolled	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/Tubes	Seamless Pipes/Tubes,Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion,Cold Drawn,Welded	Annealed,Solution and Aging,Q+T,ACID-WASHED

Cross Reference Table(Equivalent Grade)
Grade	Standard	Country	Application
ISO H22	ASTM	USA	Nickel and nickel alloy forgings
H22	ASTM	USA	Hot-Work Tool Steel
H22	ASTM	USA	Hot-Work Tool Steel

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