Page 133 - Welder - TT - Marathi

CHART 1

AWS CODIFICATION OF CARBON STEEL AND LOW-ALLOY STEEL COATED ELECTRODES

Electrode

E First Second Third Fourth

digit
digit
digit
digit

First two digits indicate Fourth digit (0 to 8) indicate
tensile strength of the the type of flux coating.
deposited weld metal 0 Cellulose sodium, or iron oxide mineral
in 1000 PSI
1 Cellulose potassium
2 Titania sodium
3 Titania potassium
4 Iron powder titania
5 Low hydrogen lime - sodium
Third digit indicates 6 Low hydrogen lime - potassium
the welding 7 Iron oxide plus iron powder
positions for electrodes. 8 Low hydrogen lime plus iron powder
1 All position 9 A number left over for peculiar coating.
2 Flat & horizontal This number is rarely used.
3 Flat & down hand

FOUR DIGITS CODIFICATION

EXAMPLE : AWS – E 6013.

Electrode  E

Tensile strength 6
60,000 psi  0

All position  1
electrode

Titania potassium  3

C G & M : वेल्डर (NSQF -उजळिी 2022) एक्सरसाईस साठी संबंधित धिअरी 1.3.48 111