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ER80S-B3L

AWS A5.28 ER80S-B3L

80S-B3L is a low alloy filler designed to produce high strengths on 2 1/4 & Cr-1 Mo steels found in high temperature/high pressure piping and vessels. This alloy is identical to the ER90S-B3 except it has a lower carbon content maximum that will lower the strength and exhibit greater resistance to cracking and used more often when welds are left in the as-welded condition. 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 (%)

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ER80S-B3L

AWS Spec

C

0.046

0.05 max.

Mn

0.69

0.40-0.70

Si

0.53

0.40-0.70

P

0.013

0.025 max.

S

0.007

0.025 max.

Mo

0.99

0.40-0.65

Cr

2.42

1.20-1.50

Cu

0.22

0.35 max

Ni

0.05

0.20 max

Typical mechanical properties of weld metal (C02 shielding gas)

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ER80S-B3L

AWS Spec

Yield strength (psi)


68,000 min

Ultimate tensile strength (psi)


80,000 min

Elongation in 2" (%)


17 min

Charpy V-notch at 0 F (ft. lbs)


N/A