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662 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 662

Category	Type	Steel Grade
Steel Grades	High Alloy	662
		650
		651
		S63198
		652
		S63199
		653
		660
		S66286
		661
		R30155

Chemical composition(mass fraction)(wt.%) of the 662

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04	0.80	0.90			13.50	26.00
Mo	Al	Cu	Nb	Ti	V	Ce
2.75	O.O7			1.75
N	Co	Pb	B	Other	Approximate rnumbe
			0.005	Fe...	Discaloy

Mechanical Properties of steel grade 662

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)
546 (≥)	385 (≥)	32	42	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade 662

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
14	-	-			0.44	-
545	741	-	11.3	433		-
924	-	22	21.2			211	142

Heat Treatment of steel grade 662

Heat treated : 1627°C - 1761°C

Technological Curves of steel grade 662

No Curve

Cross Reference Table (Equivalent Grade) of 662

Grade	Standard	Country	Application
1.2662	DIN	Germany	Hot working alloy tool steel
UNS S66286	UNS	USA	precipitation hardening
AISI 662	AISI	USA	precipitation hardening
AISI 662	AISI	USA	precipitation hardening
UNS S66220	UNS	USA	precipitation hardening
SS14 2662	SS	Sweden
SS14 2662	SS	Sweden
SS 2662	SS	Sweden	Swedish SS standard stainless steel and heat resistant steel
419662			The Czech republic tool steel

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Rfq.: sales@longhaisteel.com

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