Copper Bridge E308L-16 Low-Carbon Stainless Stick Electrode
DESCRIPTION
Copper Bridge E308L-16 is the low-carbon (≤0.04% C) version of E308-16, designed for 304L base material and any application where intergranular carbide precipitation must be controlled. Excellent corrosion resistance, smooth arc, and easy slag removal.
▶ AVAILABLE DIAMETERS
3/32 in, 1/8 in, 5/32 in, 3/16 in
2.4 mm, 3.2 mm, 4.0 mm, 4.8 mm
▶ PACKAGING
2 lb box, 5 lb box, 11 lb box
▶ APPLICATIONS
Welding 304L and 321 stainless — chemical processing, fertilizer plants, synthetic fiber equipment, petrochemical service.
▶ WELDING PROCESS
SMAW / Stick Welding
▶ POLARITY
AC or DCEP
▶ WELDING POSITIONS
Flat, horizontal, vertical, overhead
CHEMICAL COMPOSITION OF DEPOSITED METAL (WT.%)
| Element | C | Mn | Si | Cr | Ni | Mo |
| AWS Requirement | ≤0.04 | 0.5–2.5 | ≤1.00 | 18.0–21.0 | 9.0–11.0 | ≤0.75 |
| Copper Bridge Typical | 0.021 | 0.72 | 0.62 | 19.22 | 9.75 | 0.13 |
MECHANICAL PROPERTIES OF DEPOSITED METAL
| Property | AWS Requirement | Copper Bridge Typical |
| Tensile Strength | ≥520 MPa (75 ksi) | 610 MPa (88 ksi) |
| Elongation | ≥30% | 41% |
RECOMMENDED WELDING PARAMETERS
| Diameter | 3/32 in (2.4 mm) | 1/8 in (3.2 mm) | 5/32 in (4.0 mm) | 3/16 in (5.0 mm) |
| Flat / Horizontal (A) | 60–80 | 80–120 | 110–160 | 150–200 |
| Vertical / Overhead (A) | 50–70 | 70–110 | 100–140 | 130–180 |
NOTES
1. Re-dry electrodes at 300–350°C (570–660°F) for 1 hour before use.
2. Run a short arc; weave width ≤ 2.5× electrode diameter.
3. Limit interpass temperature to 150°C (300°F).
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