Alloy 32750 Super Duplex Fasteners Specification

Alloy 32750 Super Duplex Fasteners Heavy Hex Bolts Screws Studs Nuts Washers
TorqBolt manufactures high strength Alloy 32750 Super Duplex Fasteners.

Alloy 32750 or UNS 32750 is same as alloy 2507. Alloy 2507 is a super duplex steel containing 25% chromium, 4% molybdenum, 7% nickel designed for demanding applications which require high strength. It has outstanding resistance for pitting and crevice corrosion in sea waters and thus it has number of applications in marine Industry. It is advisable not to use this type of alloy for temperatures ranging higher than 300 Degrees celciuos. it is mainly used in oil and gas industry, offshore platforms, heat exchangers, vessels and high pressure RO plants. It has a very good weldeabillity, it can joined to itself or other material.

Alloy 32750 Super Duplex Fasteners Properties

Chemical Properties
CMnPSSiCrNIMoCuN
0.03 Max1.20 Max0.04 Max0.02 Max0.80 Max24.0-26.06.0-8.03.0-5.00.50 Max0.24-0.32

Mechanical Properties
Yeild strengthTensile strengthElongationHardness
MpaMpa%BHN
minminmin
55080015310

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 @1020°C & liquid Quenced @260°C

Equivalent Designation
ASTM/ASMEAISIUNSBritish StandardWerkstoff No.En NameSwedish(SS)JIS(SUS)
Sa 182 F53–S32750–1.4410X2CrNiMoN25-7-42328–

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