Specifications
· AWS A5.20 E71T-1 H8, E71T-1J H8, E71T-1MJ H8
· AWS A5.20 E71T-9 H8, E71T-9J H8, E71T-9MJ H8
Features
· All-Position Flux-Cored Wire
· Superior Impact Value Properties
· Very Low Fume Generation
· Beautiful Bead Appearance
· Superb Operator Appeal
· Spatter-Free Welds
· Smooth, Stable Arc
Description
AUFHAUSER Alloy 71T-1 is a general purpose, all-position
flux-cored mild steel wire designed to produce superior
mechanical properties that exceed the charpy v-notch impact
value requirements of both E71T-1J and E71T-9J classifications.
A diffusible hydrogen content of less than 8.0ml per 100
grams of deposited metal allows AUFHAUSER Alloy 71T-1 to
adopt the "H8" designation in its' classification.
This outstanding wire produces X-ray quality weld deposits
using either 100% CO2 or a 75% Ar/25% CO2 mixture shielding
gas. AUFHAUSER Alloy 71T-1 has superb welder appeal because
its' smooth stable arc yields virtually spatterless weld
deposits and generates very little fume. Out-of-position
welding is made simple because of the fast freezing, but
easily removable slag. Welders spend more time welding and
less time cleaning up! Weld deposits are flat to slightly
convex and have a bright luster.
Applications
AUFHAUSER Alloy 71T-1 operates over a wide range of current
settings allowing for a greater variety of applications
using just one wire. An excellent choice for single or multiple
pass laps, fillet and butt welds on many grades of carbon
steel. 71T-1 is typically used in shipbuilding, railcar
fabrication, pressure vessels, heavy gauge sheet metal,
earth moving equipment and many ASTM specifications.
| Optimum
Welding Parameters |
| |
.035"(.9
mm) |
.045"(1.2
mm) |
.052"(1.3
mm) |
1/16"(1.6
mm) |
| Wire
feed speed (ipm) |
500 |
450 |
375 |
325 |
| Current
(Amps) |
193 |
260 |
300 |
405 |
| Voltage
(V)* |
29 |
29.5 |
29.5 |
30.5 |
| Reverse
Polarity (Direct Current, Electrode Positive DCEP) |
Recommended
Welding Position: All positions
Specification
Conformance: E71T-1, E71T-1M, E71T-1 H4, E71T-1M H4,
AWS A5.20; ASME SFA 5.20 ABS
Sizes
and Packaging: · .035" (0.9mm) x 10 lb. (4.5
kg) spools, 25 lb. (11.34 kg) spools
Typical
Weld Metal Chemistry (weight %):
|
C |
Mn |
Si |
S |
P |
| 100%
CO2 |
0.08 |
1.22 |
0.46 |
0.008 |
0.013 |
| 75%
Ar/25% CO2 |
0.09 |
1.41 |
0.55 |
0.009 |
0.013 |
Typical
Weld Metal Mechanical Properties:
|
100%
CO2 |
75%
Ar/25% CO2 |
| Tensile
Strength |
79,000
psi |
92,000
psi |
| Yield
Strength |
66,000
psi |
78,000
psi |
| Elongation
in 2" |
28% |
26% |
| Charpy
V-Notch Impact Energy @ 0°F |
AVG
41 ft-lb |
AVG
72 ft-lb |
|