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TIG WELDING RODS AND FLUXES

Classification

Guide to AWS A5.28-1979

Mechanical properties of weld metal AWS Tensile Classifications strength

min. MPa

ER 80 S-B2 ER 80 S-B2L ER 90 S-B3 ER 90 S-B3L ER 80 S-Ni1 ER 80 S-Ni2 ER 80 S-Ni3 ER 80 S-D2 ER 100 S-1 ER 100 S-2 ER 110 S-1 ER 120 S-1 ER XX S-G

550 550 620 620 550 550 550 550 690 690 760 830 Not required

Yield Elongation strength min. % min. MPa (0.2% proof)

Impact Energy Charpy-V J/°C

Condition

470 470 540 540 470 470 470 470 610-700 610-700 660-740 730-840 Not required

Not required Not required Not required Not required 27/-46 27/-62 27/-73 27/-29 68/-51 68/-51 68/-51 68/-51 Not required

*1) *1) *2) *2) As-welded *1) *1) As-welded As-welded As-welded As-welded As-welded As-welded

19 19 17 17 24 24 24 17 16 16 15 14 Not required

3.02

*1) PWHT 620 +/-15°C Heat in furnace to given temperature, hold for 1 hour, cool in furnace to 316°C and then in still air. *2) PWHT 690 +/-15°C Heat in furnace to given temperature, hold for 1 hour, cool in furnace to 316°C and then in still air.

Suffix

Alloying system

Nominal value, wt%

-B2 -B2L* -B3 -B3L* -Ni1 -Ni2 -Ni3 -D2

Cr/ Mo Cr/ Mo Cr/ Mo Cr/ Mo Ni Ni Ni Mn/ Mo

~1.3/ 0.5 ~1.3/ 0.5 ~2.5/ 1.1 ~2.5/ 1.1 ~1.0 ~2.4 ~3.4 ~1.8/ 0.5

* C max. 0.05%

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