303Se

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#303Se

Description

303Se High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 303Se

Category	Type	Steel Grade
Steel Grades	High Alloy	303Se
		S45500
		XM-25
		S45000
		S46500
		XM-1
		S20300
		303
		S30300
		XM-5
		S30310

Chemical composition(mass fraction)(wt.%) of the 303Se

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15	1	2	0.2	0.06	17-19	8-10
Mo	Al	Cu	Nb	Ti	V	Se
						≥0.15
N	Co	Pb	B	Other

Mechanical Properties of steel grade 303Se

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)
897 (≥)	523 (≥)	43	42	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	321

Physical Properties of steel grade 303Se

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
43	-	-			0.11	-
247	448	-	34.3	312		-
729	-	14	21.2			133	121

Heat Treatment of steel grade 303Se

Heat treated : 1599°C - 1191°C

Technological Curves of steel grade 303Se

No Curve

Cross Reference Table (Equivalent Grade) of 303Se

Grade	Country	Application
CNS 303Se	China	CNS standard stainless steel austenite size
STS303Se		KS standard austenite stainless steel bars(KS D3706-1992)
CNS 303Se	China	China Taiwan Stainless steel
CNS 303Se	China	China Taiwan Stainless steel

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Rfq.: sales@longhaisteel.com

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