HS-21

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#HS-21

Description

HS-21 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: HS-21

Category	Type	Steel Grade
Steel Grades	High Alloy	HS-21
		HAYNES alloy 589
		HAYNES alloy HR120
		HAYNES alloy HR160
		HAYNES stel.star.JMetal PM
		HNM
		HP 9-4-20
		HP 9-4-25
		HP 9-4-30
		HR3C
		HS-19

Chemical composition(mass fraction)(wt.%) of the HS-21

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25					27	2.5
Mo	Al	Cu	Nb	Ti	V	Ce
5.5
N	Co	Pb	B	Other
	...		0.007	Fe1.75

Mechanical Properties of steel grade HS-21

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)
647 (≥)	628 (≥)	34	31	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical Properties of steel grade HS-21

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	-	-			0.32	-
282	475	-	34.3	124		-
735	-	12	32.2			331	431

Heat Treatment of steel grade HS-21

Heat treated : 1433°C - 1343°C

Technological Curves of steel grade HS-21

No Curve

Available Suppliers

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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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Superalloy & High Temperature Alloy