Blue Demon ER70S-2 Mild Steel TIG Rod
ER70S2 is a premium TiG wire for welding on all grades of mild and carbon steels, producing quality welds with minimal porosity. It is a triple deoxidized wire (Zirconium, Titanium, and Aluminum) making it an excellent choice for welding over rust and mill scale. No flux is required with this product.
Typical Applications: pipes and offshore drilling rigs, structural steel work
- Available sizes .035, .045, 1/16, 3/32, 1/8
- 1 lb tube or 10 lb carton
- Rod length is 36"
- Premium quality TIG welding wire
Approximate number of rods per 1 lb. pack for each diameter:
- .035" (0.89mm): 50 - 54
- .045" (1.14mm): 36 - 40
- 1/16" (1.6mm): 26 - 30
- 3/32" (2.4mm): 12 - 16
- 1/8" (3.2mm): 8 - 10
| Tensile Strength, kpsi: |
70 |
| Yield Strength, kpsi: |
58 |
| Elongation in 2”%: |
22 |
Typical Charpy V-Notch: 35 ft.-lb. At -20 deg F
Typical Wire Chemistry as per AWS A5.18 (single values are maximum)
| C |
Mn |
Si |
P |
S |
Ni |
Cr |
Mo |
V |
Cu |
Ti |
Zr |
Al |
| 0.07 |
0.90-1.40 |
0.40-0.70 |
0.025 |
0.035 |
0.15 |
0.15 |
0.15 |
0.03 |
0.50 |
0.05-0.15 |
0.02-0.12 |
0.05-0.15 |
| Typical Welding Parameters |
| Diameter |
Process |
Volt |
Amps |
Shielding Gas |
| in |
(mm) |
| .035 |
(0.9) |
GTAW |
13-16 |
60-100 |
100% Argon |
| .045 |
(1.14) |
GTAW |
13-16 |
70-120 |
100% Argon |
| 1/16 |
(1.6) |
GTAW |
12-15 |
100-125 |
100% Argon |
| 3/32 |
(2.4) |
GTAW |
15-20 |
125-175 |
100% Argon |
| 1/8 |
(3.2) |
GTAW |
15-20 |
175-250 |
100% Argon |
