Ferralium 255 Screws, Hex Cap Screws, Set Screws, Countersunk/Socket Head Cap Screws, Full Thread, DIN 933/912/7991, ISO 4017/4762, ASME B18.3/B18.2.1/B220.127.116.11M/B18.5, Inch, Metric Threads
Ferralium 255 Screws are dual phase austenitic-ferritic duplex screw manufactured from alloy containing chromium, nickel and molybdenum with restricted carbon content and minimum PREN 42. Alloy 32520 Set Screw have high strength, resistance to pitting, stress corrosion cracking, erosion and corrosion fatigue, crevice corrosion resistant. TorqBolt is an eminent Ferralium 255 screw supplier in India.
ASTM A182 / A479 / A276 F61
ASME SA182 / SA479 / SA276 F61
– Finish: Pickling and Passivation
– Marking: TorqBolt S32520
– Type: Cold Forged, Hot Forged, Bar Stock Machined
|Dimensions||DIN 933/912/7991, ISO 4017/4762, ASME B18.3/B18.2.1/B18.104.22.168M/B18.5|
|Threads||Unless otherwise specified, the threads shall be rolled or cut at the option of TorqBolt|
|Threads Configuration||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|Product Origin||Made in India|
|Certification||Dual Certified As per ASTM & ASME Codes|
|Additional Certifications||PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified|
|Additional Requirements||NACE MR0103/MR0175/ISO 15156 Compliance|
|Mandatory Requirements||Free from Mercury & Radioactive Contamination|
Ferralium 255 Screws 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.
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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.