S32520 Super Duplex Fasteners Specification

S32520 Super Duplex Fasteners Heavy Hex Bolts Screws Studs Nuts Washers
TorqBolt manufactures high strength S32520 Super Duplex Fasteners.

S32520 is also known as UNS S32520 or Bs En 1.4507. It is a high chromium nickel super duplex stainless steel. It has very good resistance against corrosion and pitting against corrosives such as sulphuric acid. It is advisable not to use this type of steel in high temperature applications where tensile strength of a material is 770 Mpa and yield strength is 550 MPa. They are used in oil refining, fertilizer, papermaking, petroleum, high temperature heat exchangers. etc.

S32520 Super Duplex Fasteners Properties

Chemical Properties
CMnPSSiCrNIMoCuN
0.030 Max1.50 Max0.035 Max0.020 Max0.80 Max24.0-26.05.5-8.03.0-5.00.50-3.000.20-0.35

Mechanical Properties
Yeild strengthTensile strengthElongationReductionHardness
MpaMpa%%BHN
minminminmin
55077025

Heat Treatment
Solution Annealed @ 1080°C -1120°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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