2 AWS
Filler Metal Specification A5.20 Carbon
Steel Electrodes for Flux Cored Arc Welding E-X
X T - X M J HZ Electrode
Optional Hydrogen Designation
Min. Tensile Strength, ksi
Impacts (20 ft.-lbs. @-40°C)
0: Flat & Horizontal
M = Ar/CO2
(if present) 1:
All-Position Tubular
or Flux Cored Usability,
Performance, Impacts AWS
Classification
ShieldingGas(a)
Polarity V-notch
impact EXXT-1 (Multiple-pass)
CO2 DCEP
20 ft.-lbs. @0°F EXXT-1M
(Multiple-pass) Ar/CO2
DCEP 20
ft.-lbs. @0°F EXXT-2 (Single-pass)
CO2 DCEP
None EXXT-2M
(Single-pass) Ar/CO2
DCEP None
EXXT-3 (Single-pass) None
DCEP None
EXXT-4 (Multiple-pass) None
DCEP None
EXXT-5(Multiple-pass) CO2
DCEP/DCEN(b)
20 ft.-lbs. @-20°F EXXT-5M
(Multiple-pass) Ar/CO2
DCEP/DCEN(b)
20 ft.-lbs. @-20°F
EXXT-6 (Multiple-pass)
None
DCEP
20 ft.-lbs. @-20°F
EXXT-7 (Multiple-pass)
None
DCEN
None
EXXT-8 (Multiple-pass)
None DCEN
20 ft.-lbs. @-20°F
(a) Ar/CO2
(75-80% Ar/Bal. C02) (b)
DCEN (Electrode Negative) for improved out-of-position welding (c)
As agreed by supplier and user. AWS
Classification
ShieldingGas(a)
Polarity V-notch
impact EXXT-9 (Multiple-pass)
CO2
DCEP 20
ft.-lbs. @-20°F EXXT-9M
(Multiple-pass) Ar/CO2
DCEP 20
ft.-lbs. @-20°F EXXT-10
(Single-pass) None
DCEN None
EXXT-11 (Multiple-pass) None
DCEN None
EXXT-12 (Multiple-pass) CO2
DCEP 20
ft.-lbs. @-20°F EXXT-12M
(Multiple-pass) Ar/CO2
DCEP 20
ft.-lbs. @-20°F EXXT-13
(Single-pass) None
DCEN None
EXXT-14 (Single-pass) None
DCEN None
EXXT-G (Multiple-pass) None
(c) None
EXXT-GS (Single-pass) None
(c) None
