MT303Se

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#MT303Se

Description

MT303Se High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: MT303Se

Category	Type	Steel Grade
Steel Grades	High Alloy	MT303Se
		TP348
		S34800
		S31254
		S30815
		S31725
		S31726
		S34565
		N08367
		S20400
		MT302

Chemical composition(mass fraction)(wt.%) of the MT303Se

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15	1	2	0.04	0.04	17-19	8-11
Mo	Al	Cu	Nb	Ti	V	Se
						0.12-0.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade MT303Se

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)
892 (≥)	214 (≥)	33	21	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade MT303Se

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
34	-	-			0.31	-
114	755	-	12.3	233		-
726	-	13	21.2			413	112

Heat Treatment of steel grade MT303Se

Heat treated : 1552°C - 1346°C

Technological Curves of steel grade MT303Se

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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Cold rolled/hot rolled

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Superalloy & High Temperature Alloy