Ferralium 255 Washers, Flat Washers, Spring Washers, Lock Washers, Square Washers, DIN 125/127, ISO 7089/7090, ASME B18.22.1

Ferralium 255 Washers, Flat Washers, Spring Washers, Lock Washers, Square Washers, DIN 125/127, ISO 7089/7090, ASME B18.22.1



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Ferralium 255 Washers are dual phase austenitic-ferritic duplex washers manufactured from alloy containing chromium, nickel and molybdenum with restricted carbon content and minimum PREN 42. Alloy 32520 Washers have high strength, resistance to pitting, stress corrosion cracking, erosion and corrosion fatigue, crevice corrosion resistant. TorqBolt is an eminent Ferralium 255 washer supplier in India.

ASTM A240 Type 32550

ASME SA240 Type 32550

– Finish: Pickling and Passivation

– Compatible Fasteners: S32520 Screw | S32520 Bolts

– Marking: TorqBolt S32520

– Type: Cold Formed, Hot Formed, Bar Stock Machined


Product Features

DimensionsDIN 125/127, ISO 7089/7090, ASME B18.22.1
Melt OriginIndia
Product OriginMade in India
CertificationDual Certified As per ASTM & ASME Codes
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Additional RequirementsNACE MR0103/MR0175/ISO 15156 Compliance
Mandatory RequirementsFree from Mercury & Radioactive Contamination

Ferralium 255 Washers Specification

S32520 is also known as UNS S32550 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.

Ferralium 255 Properties

Chemical Mechanical Physical Heat Treatment

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TorqBolt is a well known stockist of Pitch Dia Ferralium 255 Round Bars from ¼ Inch to 4 inch & 6mm to 100mm in 1 meter, 3 meter & 6 Meter lengths. All Threaded Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter.

Ferralium is a registered trademark of Langley Alloys Limited.

Raw Material Specifications: ASTM A276, A182, A240, A493, B98, B564, B637, B473, and A582 are noted for information only by American Society of Mechanical Engineers and American Society of testing and materials as suitable sources of material for the manufacture of bolts, hex cap screws, studs and washers, springs, forgings and flanges to the respective specification.