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Ferralium alloy 255/SD50

Description

Ferralium alloy 255/SD50 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Ferralium alloy 255/SD50
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy Ferralium alloy 255/SD50
Duratherm 2602
E-4
Elgiloy
EME
ER 349
Esshete 1250
Expandal
F10
Ferralium alloy 255
Ferralium alloy 255/SD40

Chemical composition(mass fraction)(wt.%) of the Ferralium alloy 255/SD50

C
Si
Mn
P
S
Cr Ni
0.05 0.3-0.7 0.8-1.2 0.04 0.02 25.7-26.5 5.5-6.5
Mo Al Cu Nb Ti V Ce
3.1-3.6   1.5-1.9        
N Co Pb B Other    
0.2-0.25       Fe...    
             

Mechanical Properties of steel grade Ferralium alloy 255/SD50

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
467 (≥) 811 (≥) 44 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade Ferralium alloy 255/SD50

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 - -     0.22 -  
843 741 - 24.3 434   -  
114 - 41 34.2   412 412

Heat Treatment of steel grade Ferralium alloy 255/SD50

Heat treated : 1442°C - 1846°C

Technological Curves of steel grade Ferralium alloy 255/SD50

Cross Reference Table (Equivalent Grade) of Ferralium alloy 255/SD50

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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