22-4-9

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#22-4-9

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22-4-9 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 22-4-9

Category	Type	Steel Grade
Steel Grades	High Alloy	22-4-9
		18-18-2
		18-18-Plus
		18Cr-Cb
		HP-10
		19-9DL
		19-9DX
		19-9-W-Mo
		20-45-5
		20Mo-6 HS
		21-6 9LC

Chemical composition(mass fraction)(wt.%) of the 22-4-9

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.60		7.0-10.0			20.0-23.0	3.50-5.00
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
0.3-0.5

Mechanical Properties of steel grade 22-4-9

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)
521 (≥)	963 (≥)	43	22	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade 22-4-9

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
43	-	-			0.43	-
767	244	-	33.3	432		-
336	-	34	41.2			244	434

Heat Treatment of steel grade 22-4-9

Heat treated : 1492°C - 1652°C

Technological Curves of steel grade 22-4-9

No Curve

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