300M

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#300M

Description

300M High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 300M

Category	Type	Steel Grade
Steel Grades	High Alloy	300M
		44LN
		46Fe-32Ni
		204-Cu
		214
		214
		216
		316L
		253MA
		253MA
		254SMO

Chemical composition(mass fraction)(wt.%) of the 300M

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.40	1.60	0.75			1.85	0.40
Mo	Al	Cu	Nb	Ti	V	Ce
					0.08
N	Co	Pb	B	Other
				Fe...

Mechanical Properties of steel grade 300M

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)
838 (≥)	389 (≥)	41	43	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade 300M

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
33	-	-			0.34	-
878	937	-	11.3	411		-
633	-	11	11.2			234	224

Heat Treatment of steel grade 300M

Heat treated : 1816°C - 1121°C

Technological Curves of steel grade 300M

No Curve

Cross Reference Table (Equivalent Grade) of 300M

Grade	Standard	Country	Application
V300M			Brazil Stainless steel

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