Ferralium ®

About Ferralium ®

Ferralium ® is a grade of Super Duplex Stainless Steel which offers excellent resistance to pitting, crevice and stress corrosion cracking and good resistance to wet chlorine. With the addition of copper, as well as molybdenum and chromium, this super duplex stainless steel has a very high resistance to corrosion in seawater and chemical environments.

West Special Fasteners are manufacturers of Ferralium Fasteners.

Ferralium Fasteners such as Hexagon Nuts, Hexagon Bolts, Studs, Socket Setscrews, Studbolts, Socket Head Capscrews & Bespoke machined or Hot Forged items can all be produced at West Special Fasteners Limited.

We can also supply round bar in Ferralium.

Ferralium is used in a variety of applications which require a good level of corrosion resistance in chemical and seawater environments, such as fasteners in the marine industry, swimming pools, sewage treatment, subsea equipment in the oil and gas industry, chemical processing and paper industries.

West Special Fasteners specialises in exotic metals and have supplied major UK companies with Ferralium, nuts, bolts etc.

Ferralium ® Grades & Equivalents

Alloy 255
Alloy F255
UNS S32550
UNS S32520
UNS S39553
Werkstoff 1.4507
ASTM A479
ASTM A276
ASTM A473
ASTM A182
ASTM A240
F61

Typical chemical analysis

Typical mechanical properties