347

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#347

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

Datasheet for: Steel Grades:High Alloy: 347

Category	Type	Steel Grade
Steel Grades	High Alloy	347
		314
		S31400
		316
		S31600
		316L
		S31603
		317
		S31700
		321
		S32100

Chemical composition(mass fraction)(wt.%) of the 347

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1	2	0.045	0.03	17-19	9-13
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				Nb+Ta 10*C~1.0

Mechanical Properties of steel grade 347

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)
836 (≥)	713 (≥)	23	12	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade 347

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
31	-	-			0.34	-
943	725	-	21.3	221		-
746	-	41	11.2			423	241

Heat Treatment of steel grade 347

Heat treated : 1518°C - 1231°C

Technological Curves of steel grade 347

No Curve

Cross Reference Table (Equivalent Grade) of 347

Grade	Standard	Country	Application
T11347	UNS	USA	Molybdenum series High-speed tool steel
SUS347FB	JIS	Japan	austenitic special steel
SUS347HFB	JIS	Japan	austenitic special steel
SUS347TP	JIS	Japan	austenitic special steel
SUS347HTP	JIS	Japan	austenitic special steel
SUS347TKA	JIS	Japan	ferritic stainless steel
347S31			austenitic special steel
347S51			austenitic special steel
347S20			austenitic special steel
A35-586 347F20	AFNOR	France	Resistant to high boron steel(NF A 36-580(1983))
STS347			Austenitic Steel
STS347			Austenitic Steel
CNS 347		China	CNS standard stainless steel austenite size
STS347TKA			KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
SS 2347	SS	Sweden	Swedish SS standard stainless steel and heat resistant steel
S34778		China	Stainless steel bars
S34779		China	Stainless steel bars
CNS 347		China	China Taiwan Stainless steel
CNS 347		China	China Taiwan Stainless steel
347TKA		China	China Taiwan Stainless steel

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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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347