Duratherm 477

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#Duratherm #477

Description

Duratherm 477 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Duratherm 477

Category	Type	Steel Grade
Steel Grades	High Alloy	Duratherm 477
		Denertia C4
		Denertia C8
		Denertia N1
		Denertia N2
		Denertia N8
		Discaloy
		DP3W
		DUMET
		Dura-Form
		Duranickel 301

Chemical composition(mass fraction)(wt.%) of the Duratherm 477

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
	0.5	0.7			17.7-18.3	...
Mo	Al	Cu	Nb	Ti	V	Ce
3.8-4.2	≤0.15	≤0.3	≤0.1	0.8-1.2
N	Co	Pb	Be	Other
	39-46		≤0.05	W3.8-4.2 Fe4.5-5.5

Mechanical Properties of steel grade Duratherm 477

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)
293 (≥)	378 (≥)	12	34	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade Duratherm 477

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
21	-	-			0.14	-
269	961	-	14.3	132		-
635	-	31	33.2			322	133

Heat Treatment of steel grade Duratherm 477

Heat treated : 1356°C - 1574°C

Technological Curves of steel grade Duratherm 477

No Curve

Cross Reference Table (Equivalent Grade) of Duratherm 477

Grade	Country	Application
S34778	China	Stainless steel bars
S34779	China	Stainless steel bars
K477	China	conventional cast superalloy

Available Suppliers

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Rfq.: sales@longhaisteel.com

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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy