Blue Demon ER70S-2 Premium Carbon Steel TIG Welding Rods
Blue Demon ER70S-2 Premium Carbon Steel TIG Welding Rod is a premium alloy 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 ER70S-2 Wire Chemistry | ||||
|---|---|---|---|---|
| C | 0.07% | |||
| Mn | 0.90-1.40% | |||
| Si | 0.40-0.70% | |||
| P | 0.025% | |||
| S | 0.035% | |||
| Ni | 0.15% | |||
| Cr | 0.15% | |||
| Mo | 0.15% | |||
| V | 0.03% | |||
| Cu | 0.50" | |||
| Ti | 0.05-0.15" | |||
| Zr | 0.02-0.12" | |||
| Al | 0.05-0.15" | |||
| Typical ER70S-2 Properties | |
|---|---|
| Yield Strength | 71 ksi |
| Tensile Strength | 79 ksi |
| Elongation | 29% min |
| Available Diameters & Operating Range | |
|---|---|
| 0.023" | 35-70A |
| 0.030" | 50-100A |
| 0.035" | 50-150A |
| 0.045" | 50-350A |
| Blue Demon Approx. Rods Per Poung | |||||||
| Alloy | 0.35" | 0.45" | 1/16" | 3/32" | 1/8" | 5/32" | 3/16" |
|---|---|---|---|---|---|---|---|
| ER308L/LSI | 103 EA | 62 EA | 32 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| ER309L/LSI | 103 EA | 62 EA | 31 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| ER312 | 103 EA | 62 EA | 32 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| ER316L/LSI | 103 EA | 62 EA | 32 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| ER4043 | N/A | 170 EA | 94 EA | 42 EA | 23 EA | 15 EA | 11 EA |
| ER5356 | N/A | 170 EA | 96 EA | 42 EA | 24 EA | 15 EA | 11 EA |
| ER70S2 | 103 EA | 62 EA | 32 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| ER80S-D2 | 103 EA | 62 EA | 32 EA | 14 EA | 7 EA | 5 EA | 4 EA |
| ERAZ61A | N/A | N/A | 156 EA | 56 EA | 34 EA | N/A | N/A |
| ERAZ92A | N/A | N/A | 156 EA | 56 EA | 34 EA | N/A | N/A |
| ERNI99 | N/A | N/A | 28 EA | 13 EA | 7 EA | 4 EA | N/A |
| ERTI-2 | 176 EA | 110 EA | 56 EA | 25 EA | 14 EA | N/A | N/A |
| RBCUZN-C (BARE) | N/A | N/A | 28 EA | 13 EA | 7 EA | 5 EA | 4 EA |
| RBCUZN-C (COATED) | N/A | N/A | 43 EA (18") | 11 EA | 6 EA | 5 EA | 3 EA |
| R45 | N/A | N/A | 32 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| R60 | N/A | N/A | 32 EA | 14 EA | 8 EA | 5 EA | 4 EA |
| ERCUSI-A (SILBRZ) | 103 EA | 62 EA | 30 EA | 13 EA | 7 EA | 4 EA | N/A |
| Recommended Tungsten Electrodes | ||||
| Alloy | Thickness | Current | Tungsten | Gas |
|---|---|---|---|---|
| Aluminum | All | AC | Pure or Zirconiated | Ar or Ar/He |
| Aluminum | > 1/8" thick | DCEN | Thoriated | Ar or Ar/He |
| Aluminum | < 1/8" thick | DCEP | Thoriated or Zirconiated | Argon |
| Copper, Copper Alloys | All | DCEN | Thoriated | Ar or Ar/He |
| Copper, Copper Alloys | < 1/8" thick | AC | Pure or Zirconiated | Argon |
| Magnesium Alloys | All | AC | Pure or Zirconiated | Argon |
| Magnesium Alloys | < 1/8" thick | DCEP | Thoriated or Zirconiated | Argon |
| Nickel, Nickel Alloys | All | DCEN | Thoriated | Argon |
| Plain Carbon, Low Alloy Steels | All | DCEN | Pure or Zirconiated | Ar or Ar/He |
| Plain Carbon, Low Alloy Steels | < 1/8" thick | AC | Thoriated | Argon |
| Stainless Steel | All | DCEN | Thoriated | Ar or Ar/He |
| Stainless Steel | < 1/8" thick | AC | Pure or Zirconiated | Argon |
| Titanium | All | DCEN | Thoriated | Argon |
| Zirconium | All | DCEN | Thoriated | Argon |