90Mn4

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#90Mn4

Description

90Mn4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 90Mn4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	90Mn4
		1.1203
		Ck55
		1.1209
		C60E
		1.1221
		Ck60
		1.1223
		40Mn4
		1.1157
		1.1273

Chemical composition(mass fraction)(wt.%) of the 90Mn4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.85-0.95	0.25-0.50	0.90-1.10	0.035	0.035
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 90Mn4

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)
254 (≥)	311 (≥)	33	11	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade 90Mn4

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
32	-	-			0.31	-
346	836	-	31.3	123		-
646	-	12	23.2			443	412

Heat Treatment of steel grade 90Mn4

Heat treated : 1694°C - 1159°C

Technological Curves of steel grade 90Mn4

No Curve

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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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