MATERIALS-STUDBOLTS/HEX NUTS ASTM A182 F55
ASTM A182 specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and
parts for high-temperature service for use in pressure systems.
A182 F55 – UNS S32760
Excellent corrosion resistance in a wide variety of corrosive
Outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments, with
Critical Pitting Temperature exceeding 50°C
High strength compared to austenitic and 22%Cr duplex stainless steels
Excellent ductility and impact strength at both ambient and sub-zero temperatures
High resistance to abrasion, erosion and cavitation erosion
Excellent resistance to stress corrosion cracking in chloride containing environments
Listed in NACE MR 01 75 for sour service
