Getig 90SB3, ER 90SB3
AWS/SFA 5.28 ER 90S-B3
Copper coated 2.4% Cr / 1.0 % Mo alloyed solid wire for TIG welding creep resisting steels of similar composition, used in steam generation plant operating at temperature upto 600°C. Suitable for use in the chemical and petrochemical industries where resistance to hydrogen attack, corrosion from sulphur bearing crude oil and stress corrosion cracking in sour environments is required.
CHEMICAL ANALYSIS (RANGE) %
MECHANICAL PROPERTIES (RANGE) PWHT (690OC + 15°C/1 HR)
SHIELDING GAS : Pure Argon 99.99% 7 - 10 l/min.
WELDING CURRENT : DC (-)