K21590

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#K21590

Description

K21590 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: K21590

Category	Type	Steel Grade
Steel Grades	High Alloy	K21590
		K90941
		T11
		K11597
		T12
		K11562
		T17
		K12047
		T21
		K31545
		T22

Chemical composition(mass fraction)(wt.%) of the K21590

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05-0.15	0.5	0.3-0.6	0.025	0.025	1.9-2.6
Mo	Al	Cu	Nb	Ti	V	Ce
0.87-1.13
N	Co	Pb	B	Other

Mechanical Properties of steel grade K21590

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)
985 (≥)	143 (≥)	32	41	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	143

Physical Properties of steel grade K21590

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
13	-	-			0.44	-
452	473	-	44.3	331		-
264	-	12	44.2			313	132

Heat Treatment of steel grade K21590

Heat treated : 1493°C - 1976°C

Technological Curves of steel grade K21590

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy