254SMO

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#254SMO

Description

254SMO High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 254SMO

Category	Type	Steel Grade
Steel Grades	High Alloy	254SMO
		29-9
		44LN
		46Fe-32Ni
		204-Cu
		214
		214
		216
		316L
		253MA
		253MA

Chemical composition(mass fraction)(wt.%) of the 254SMO

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.02	0.80	1.00	0.030	0.010	19.5-20.5	17.5-18.5
Mo	Al	Cu	Nb	Ti	V	Ce
6.0-6.5		0.50-1.00
N	Co	Pb	B	Other
0.18-0.22

Mechanical Properties of steel grade 254SMO

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)
881 (≥)	241 (≥)	41	13	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade 254SMO

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
12	-	-			0.11	-
392	276	-	33.3	342		-
123	-	41	43.2			223	414

Heat Treatment of steel grade 254SMO

Heat treated : 1571°C - 1933°C

Technological Curves of steel grade 254SMO

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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