Ferralium alloy 255/SD40

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#Ferralium #alloy #255/SD40

Description

Ferralium alloy 255/SD40 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Ferralium alloy 255/SD40

Category	Type	Steel Grade
Steel Grades	High Alloy	Ferralium alloy 255/SD40
		Duratherm 700
		Duratherm 2602
		E-4
		Elgiloy
		EME
		ER 349
		Esshete 1250
		Expandal
		F10
		Ferralium alloy 255

Chemical composition(mass fraction)(wt.%) of the Ferralium alloy 255/SD40

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.02					26	6
Mo	Al	Cu	Nb	Ti	V	Ce
3		1.75
N	Co	Pb	B	Other
0.22-0.30				Fe ...

Mechanical Properties of steel grade Ferralium alloy 255/SD40

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)
213 (≥)	891 (≥)	42	23	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	132

Physical Properties of steel grade Ferralium alloy 255/SD40

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
24	-	-			0.22	-
612	343	-	23.3	411		-
676	-	23	33.2			242	224

Heat Treatment of steel grade Ferralium alloy 255/SD40

Heat treated : 1867°C - 1898°C

Technological Curves of steel grade Ferralium alloy 255/SD40

No Curve

Cross Reference Table (Equivalent Grade) of Ferralium alloy 255/SD40

Grade	Standard	Country	Application
Vicalloy	AISI	USA	Martensitic special steel
Alloy 52	SAE	USA	Alloy 52 is a 50.50% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. The alloy’s rate of thermal expansion is virtually constant to a temperature of about 1050°F (565°C).
Alloy 713C	ASTM	USA	HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
Alloy 713LC	ASTM	USA	HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS

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