PRODUCT INFORMATION
Category:
Chrome Moly Welding Wire
Alloy:
WW90SB-3
Class:
ER90SB-3
Description:
ER90SB-3 is for weldng 2 ¼ chrome, 1 moly steels, frequently piping in the petroleum industry and for elevated temperature service. Requires controlled preheat, interpass and post weld heat treatment.
Chemical Composition
C
0.07-0.12
Cr
2.30-2.70
Ni
0.20 max
Mn
0.40-0.70
Si
0.40-0.70
P
0.025 max
S
0.025 max
Mo
0.90-1.20
Cu
0.35 max
Other
0.50 max
