18-4Mn

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#18-4Mn

Description

18-4Mn High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 18-4Mn

Category	Type	Steel Grade
Steel Grades	High Alloy	18-4Mn
		16-25-6
		17-4 PH
		17-7 PH
		17-10 P
		17-14 CuMo
		17-22-A
		17-22-AS
		17-22-AV
		18-2Mn
		18-3Mn

Chemical composition(mass fraction)(wt.%) of the 18-4Mn

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05			0.030	0.030	17.0-19.0	4.00-6.00
Mo	Al	Cu	Nb	Ti	V	Ce
		≤0.75
N	Co	Pb	B	Other

Mechanical Properties of steel grade 18-4Mn

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)
911 (≥)	617 (≥)	12	41	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	332

Physical Properties of steel grade 18-4Mn

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
44	-	-			0.21	-
893	274	-	32.3	441		-
316	-	41	14.2			431	233

Heat Treatment of steel grade 18-4Mn

Heat treated : 1865°C - 1723°C

Technological Curves of steel grade 18-4Mn

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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