MT302

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#MT302

Description

MT302 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: MT302

Category	Type	Steel Grade
Steel Grades	High Alloy	MT302
		S34700
		TP348
		S34800
		S31254
		S30815
		S31725
		S31726
		S34565
		N08367
		S20400

Chemical composition(mass fraction)(wt.%) of the MT302

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08-0.2	1	2	0.04	0.03	17-19	8-10
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade MT302

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)
991 (≥)	552 (≥)	14	43	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade MT302

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	-	-			0.14	-
221	496	-	31.3	323		-
521	-	24	21.2			211	224

Heat Treatment of steel grade MT302

Heat treated : 1178°C - 1979°C

Technological Curves of steel grade MT302

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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy