K91271

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#K91271

Description

K91271 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: K91271

Category	Type	Steel Grade
Steel Grades	High Alloy	K91271
		K21590
		T23
		K40712
		T24
		K30736
		T91
		K90901
		T92
		K92460
		T122

Chemical composition(mass fraction)(wt.%) of the K91271

			
							C

							≤
						
							Si

							≤
						
							Mn

							≤
						
							P

							≤
						
							S

							≤
						
							Cr
						
							Ni
					
							0.07-0.14
						
							0.5
						
							0.7
						
							0.02
						
							0.01
						
							10-12.5
						
							≤0.5
					
							Mo
						
							Al
						
							W
						
							Nb
						
							Ti
						
							V
						
							Ce
					
							0.25-0.6
						
							≤0.04
						
							1.5-2.5
						
							0.04-0.1
						
							0.15-0.3
						
							N
						
							Cu
						
							Pb
						
							B
						
							Other
						
							0.04-0.1
						
							0.3-1.7
						
							0.0005-0.005

Mechanical Properties of steel grade K91271

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)
223 (≥)	536 (≥)	22	41	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade K91271

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
21	-	-			0.13	-
726	972	-	44.3	414		-
774	-	21	44.2			241	322

Heat Treatment of steel grade K91271

Heat treated : 1276°C - 1138°C

Technological Curves of steel grade K91271

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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C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.07-0.14	0.5	0.7	0.02	0.01	10-12.5	≤0.5
Mo	Al	W	Nb	Ti	V	Ce
0.25-0.6	≤0.04	1.5-2.5	0.04-0.1		0.15-0.3
N	Cu	Pb	B	Other
0.04-0.1	0.3-1.7		0.0005-0.005

Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy