Specifications:
AWS A5.28
ASME SFA 5.28
AWS ER80S-B2
UNS K20900
Description:
WT 80S-B2 is creep resistant mild steel and are often used in chemical industries. Preheat and interpass temperatures are usually kept between 275-325°F. Careful control of temperatures for interpass, preheat and post heat should be taken to avoid cracking. Recommended shielding gas is CO2 or an Ar/Co2 mixture.
Tensile Strength: 80, 000 psi min.
Yield Strength: 68,000 psi min
Elongation: 19% min.
Available in multiple sizes and diameters.
Chemical Composition (Wt%):
Note: Single values are maximum unless otherwise noted.
Si Mn S P C Cu Cr Mo Ni Other
0.40-0.70 0.40-0.70 0.025 0.025 0.07-0.12 0.35 1.2-1.5 0.40-0.65 0.2 0.5
