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WIRES FOR WIRE WELDING

Classification

Guide to AWS A5.20-1995

Designates an electrode

E

Indicates primary welding positions. 0= flat and horizontal 1= all positions

7

1

Indicates a cored wire

T

Indicates min. tensile strength in 10 ksi units. (10 ksi= 10 000 psi = 69 MPa.)

3.03

AWS Classifications

Tensile strength MPa

E 6xT-1 E 6xT-4 E 6xT-5 E 6xT-6 E 6xT-7 E 6xT-8 E 6xT-11 E 6xT-G E 6xT-GS

428 345 428 345 428 345 428 345 428 345 428 345 428 345 428

345

No requirements No requirements

E 7xT-1 E 7xT-2 E 7xT-3 E 7xT-4 E 7xT-5 E 7xT-6 E 7xT-7 E 7xT-8 E 7xT-10 E 7xT-11 E 7xT-G E 7xT-GS

497 497 497 497 497 497 497 497 497 497 497 497

Suffix

Yield strength min. MPa

Shielding gas= Ar/CO2

-1 Indicates usability and Performance capabilities.

Elongation min. %

Impact Energy Charpy-V J/ºC

22 22 22 22 22 22 22 22 No requirements

27/-18 No requirements 27/-29 27/-29 No requirements 27-29 No requirements No requirements No requirements

414 No requirements No requirements 414 414 414 414 414 No requirements 414 414 No requirements

22 No requirements No requirements 22 22 22 22 22 No requirements 22 22 No requirements

27/-18 No requirements No requirements No requirements 27/-29 27/-29 No requirements 27/-29 No requirements No requirements No requirements No requirements

Shielding gas

Multiple-pass

Single-pass

-1 x x x -2 x x -3 x -4 x x -5 x x x -6 x x -7 x x -8 x x -10 x -11 x x -G x x -GS x x

220

M

Flux type

Current type

Rutile Rutile Rutile Basic-Rutile Basic Rutile Basic-Rutile Basic-Rutile Rutile Rutile -

DC+pol DC+pol DC+pol DC+pol DC+/-pol DC+pol DC-pol DC-pol DC-pol DC-pol -