Lincoln Electric Outershield® 71 Elite is a premium gas-shielded, flux-cored arc welding (FCAW-G) wire classified per AWS A5.20: E71T-1C-H8, E71T-9C-H8, E71T-1M-H8, E71T-9M-H8. This dual-classified electrode — compatible with both 100 % CO₂ and 75 % Argon / 25 % CO₂ mixed gas — delivers the smooth arc transfer, low spatter, and excellent bead appearance that distinguish a premium consumable from commodity alternatives. Its small-ball spray transfer produces a well-directed, penetrating arc that gives operators consistent performance across all positions including overhead and vertical-up. The H8 diffusible hydrogen designation confirms moisture resistance that meets or exceeds AWS D1.8 seismic supplement lot-waiver requirements — making Outershield 71 Elite the specification-grade choice for structural and seismic fabrication.
| Parameter | Value |
|---|---|
| AWS Classifications | E71T-1C-H8, E71T-9C-H8, E71T-1M-H8, E71T-9M-H8 (AWS A5.20) |
| Applicable Standard | AWS A5.20/A5.20M; AWS D1.8 Seismic Lot Waiver |
| Available Diameters | 0.045 in (1.1 mm), 0.052 in (1.3 mm), 1/16 in (1.6 mm) |
| Shielding Gas | 75% Ar / 25% CO₂ or 100% CO₂; Flow rate 40–50 CFH |
| Polarity | DCEP (DC electrode positive) |
| Welding Positions | All positions (1G, 2G, 3G, 4G, 5G) |
| Tensile Strength (as welded, 75/25 gas) | 91–92 ksi (627–634 MPa) |
| Yield Strength (as welded, 75/25 gas) | 85–87 ksi (586–600 MPa) |
| Elongation (as welded) | 25–28 % in 2 in |
| Charpy V-Notch Impact | 92–99 J (68–73 ft-lbf) at −18 °C (0 °F) |
| Diffusible Hydrogen | ≤ 8.0 mL/100g (H8 designation) |
| Carbon (C) | 0.02–0.04 % |
| Manganese (Mn) | 1.55–1.65 % |
| Silicon (Si) | 0.56–0.75 % |
Outershield 71 Elite's dual classification per AWS A5.20 and compliance with AWS D1.8 seismic lot-waiver requirements position it as a go-to consumable across structural, industrial, and code-governed fabrication environments:
- Structural steel fabrication and erection — moment frames, column splices, beam connections, and shear tabs governed by AWS D1.1 and D1.8 seismic codes
- Offshore and marine construction — platform jackets, deck structures, and topsides where H8 hydrogen control is mandatory
- Heavy industrial fabrication — pressure vessel shells, heat exchanger components, and storage tank walls on A36, A572, and A516 plate
- Bridge fabrication — stringer-to-flange connections and web fillet welds where CVN notch toughness at −20 °F is specified
- Manufacturing and OEM production — boom arms, counterweights, chassis components, and frames where all-position capability simplifies fixturing
Outershield 71 Elite achieves its premium arc performance through a carefully balanced flux chemistry that supports a directed, small-ball transfer arc with minimal spatter at all parameter levels. The E71T-9 component of its dual classification confirms superior slag coverage and bead profiles compared to E71T-1 alone — operators notice smoother, flatter beads with excellent toe wash-in that reduces undercut risk. The H8 diffusible hydrogen designation is achieved through Lincoln's ProTech™ foil-bag packaging, which protects the wire from atmospheric moisture during storage and shipping.
For 0.045 in wire with 75/25 Ar/CO₂, typical parameters range from 130–290 amps depending on position — the wire is versatile enough to handle thin-gauge sheet in short-circuit mode and structural plate in spray mode. When switching from 75/25 to 100 % CO₂, increase voltage by approximately 1 V to compensate for the higher arc energy of straight CO₂. See Lincoln Electric's Outershield 71 Elite product page for complete operating procedure tables.
| Diameter | Polarity | Gas | Position | Voltage (V) | Current (A, approx.) |
|---|---|---|---|---|---|
| 0.045 in | DCEP | 75/25 Ar/CO₂ | All-position | 22–26 | 130–210 |
| 0.045 in | DCEP | 75/25 Ar/CO₂ | Flat/Horizontal | 26–30 | 210–290 |
| 0.045 in | DCEP | 100% CO₂ | All-position | 23–27 | 130–215 |
| 1/16 in | DCEP | 75/25 Ar/CO₂ | Flat/Horizontal | 26–32 | 250–375 |
| 1/16 in | DCEP | 100% CO₂ | Flat/Horizontal | 27–33 | 260–385 |
Outershield 71 Elite carries four AWS A5.20 classifications: E71T-1C-H8, E71T-9C-H8 (for 100 % CO₂ shielding gas) and E71T-1M-H8, E71T-9M-H8 (for 75 % Ar / 25 % CO₂ mixed gas). The "H8" suffix confirms a diffusible hydrogen level of ≤ 8 mL/100 g, meeting AWS D1.8 seismic lot-waiver requirements.
Outershield 71 Elite is dual-classified for both 100 % CO₂ and 75 % Argon / 25 % CO₂ (C25) mixed gas. The 75/25 blend is preferred for production work because it produces lower spatter, a smoother bead, and slightly better impact toughness. When using 100 % CO₂, increase voltage settings by approximately 1 V and expect marginally more spatter. Gas flow rate should be set at 40–50 CFH (19–24 L/min).
Yes. Outershield 71 Elite meets AWS D1.8 Structural Welding Code — Seismic Supplement lot-waiver requirements. Its H8 diffusible hydrogen designation and E71T-9 mechanical properties (CVN impact toughness of 92–99 J at −18 °C) satisfy the toughness and hydrogen requirements mandated for pre-qualified connections in seismic zones.
Yes — the "1" in E71T-1 designates an all-position electrode. Outershield 71 Elite can be used in flat (1G/1F), horizontal (2G/2F), vertical-up (3G/3F), overhead (4G/4F), and pipe positions. For out-of-position work, reduce wire feed speed and amperage to the lower end of the operating range to maintain a freeze-resistant weld pool.
Both wires are all-position, dual-classified FCAW-G wires but Outershield 71 Elite carries the E71T-9 classification (with an H8 hydrogen limit), while Outershield 71M is classified as E71T-9C-J / E71T-9M-J (with a J designation indicating 27 J CVN at −40 °F). Elite is specified when seismic lot-waiver compliance is required; 71M is preferred when lower-temperature CVN toughness at −40 °F is needed for cold-climate applications.
Browse the full welding wire collection, or compare to Outershield 71M for −40 °F CVN impact toughness, or Innershield NR-311 when no shielding gas is available.