Ferralium 255 Fg46 Super Duplex Fasteners Specification

Ferralium 255 FG46 Super Duplex Fasteners Heavy Hex Bolts Screws Studs Nuts Washers
TorqBolt manufactures high strength Ferralium 255 FG46 Super Duplex Fasteners.

Ferralium 255 FG46 is a high strength super duplex alloy with minimum of 0.2% proof stress of 720. It has corrosion resiatnce to variety of corrsives including sulphuric, phospheric and nitric acids. It als shows excelent ductillity and impact strength at ambient and subzero temperatures. In marine applications it shows critical pitting temperature exceeeding 40Degrees celcious. It shows high resistance to abrasion, erosion and cavitation erosion. It is used in rudders, shafts seals, pumps, valves, oil and chemical tankers. It is also used in fans and pumps, wet scrubbers, incinerators.Ferralium bolts,ferralium nuts and ferralium nuts are avaialble ex stock at TorqBolt .

Ferralium 255 Fg46 Super Duplex Fasteners Properties

Chemical Properties
CMnPSSiCrNIMoCuNPREN
0.04 Max1.50 Max0.04 Max0.03 Max1.00 Max24.0-27.04.50-6.502.9-3.901.50-2.50.10-0.250.40Min

Mechanical Properties
Yeild strengthTensile strengthElongationReductionHardness
MpaMpa%%BHN
minminminmin
55076015297

Physical Properties
DensityElastic ModulusMean Coefficient of ThermalThermal ConductivitySpecific HeatElectrical Resistivity
(Kg/m3)(Gpa)Expansion(?m/m/°C)(W/m.K)0-100°C(µ?.m)
781019911.1 X10-614.24750.8

Heat Treatment
Solution Annealed @ 1050°C -1125°C & Liquid Quenched @ 260°C

Equivalent Designation
ASTM/ASMEAISIUNSBritish StandardWerkstoff No.En NameSwedish(SS)JIS(SUS)
Sa 182 F61–S32520–1.4507X2CrNiMoCuN25-6-3––

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