washingtonalloy

ER90S-B3




Tag : ER90S-B3


ER90S-B3
AWS A5.28 Class ER90S-B3
 
90S-B3 is a low alloy fillerdesigned to produce high strengths on2 1/4 & Cr-1 Mo steels found in high temperature/high
pressure piping and vessels. It may also be used on carbon steels to Cr-Mo
base metals. Controlled preheat, interpass and postheat treatment may be needed to avoid cracking.
 
 
 
TYPICAL WIRE CHEMISTRY (%)
 
 

 

- ER90S-B3 AWS Spec
C 0.10 0.07-0.12
Mn 0.63 0.40-0.70
Si 0.46 0.40-0.70
P 0.012 0.025 max.
S 0.012 0.025 max.
Mo 1.06 0.90-1.20
Cr 2.55 2.30-2.70
Ni 0.10 0.20 max.
Cu 0.11 0.35 max.

 

 

Typical mechanical properties of weld metal (C02 shielding gas)

 

 

- ER90S-B3 AWS Spec
Yield strength (psi) 80,500 78,000 min
Ultimate tensile strength (psi) 94,500 90,000 min
Elongation in 2" (%) 19 17 min
Charpy V-notch at 0 F (ft. lbs)   N/A







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