Specifications:
AWS A5.9
AWS Class ER321
ASME SFA 5.9
UNS S32180
Description:
ER321 is a filler metal that is made to weld Chromium-Nickel steels of similar composition. ER321 has the addition of titanium, which allows for an increase in its resistance to intergranular corrosion.
Minimum Mechanical Properties:
Tensile Strength: 75,000 psi
Yield Strength: 30,000 psi
Elongation: 40%
Available in multiple sizes and diameters in spool and wire rods.
Chemical Composition (Wt%):
Note: Single values are maximum unless otherwise noted.
Si Mn Cu Mo S Ni Cr P C Ti
0.30-0.65 1.0-2.5 0.75 0.75 0.03 9.0-11.0 18.5-20.5 0.03 0.08 (9 x C) min - 1.0 max
