Current Polarity | Welding Position |
---|---|
DC(+), AC | FLAT, HORIZONTAL, VERTICAL, OVERHEAD |
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Home » Products » Carbon Steel Welding Electrodes » Ratna E7018
A heavy coated, hydrogen controlled, basic coated, iron powder type electrode specially designed for restrained joints subjected to dynamic loading and to achieve minimum 110% metal recovery, possess, excellent mechanical properties, weld deposits are highly ductile, crack resistant and of radiographic quality.
Typical Weld Metal Chemical Properties (Element %) | ||||
---|---|---|---|---|
Carbon (C) | Magnesium (Mn) | Silicon (Si) | Sulfur (S) | Phosphorus (P) |
0.055 MAX | 1.15 | 0.45 MAX | 0.008 MAX | 0.015 MAX |
Current Polarity | Welding Position |
---|---|
DC(+), AC | FLAT, HORIZONTAL, VERTICAL, OVERHEAD |
Typical Weld Metal Mechanical Properties (Element %) | |||
---|---|---|---|
Yield Strength (N/mm²) KSI | Ultimate Tensile Strength (N/mm²) ksi | Elongation (%) | CVN Impact at °C Joules |
450 (65) | 560 (81) | 29 | -30°C : 65 J |
Size and Current Recommendations | ||
---|---|---|
Size D x L (mm) | Size D x L (in) | Current (Amps) DC+, AC |
2.5mm x 350mm | 3/32" x 14" | 70-100 |
3.2mm x 350mm | 1/8" x 14" | 100-130 |
4.0mm x 350mm | 5/32" x 14" | 140-180 |
Re-dry the electrode at 250C-300°C for one hour before use.
Note:
The information provided in this article or otherwise referred to herein is merely provided as “typical” without any assurance or promise. Actual results will vary based on a number of variables, including, but not limited to, weld process, plate chemistry and temperature, weldment design, and fabrication procedures. Washington Central Corporation expressly disclaims any liability suffered from any reliance thereon. It is advised that before using any welding consumable or procedure in the intended application, users check their compatibility through qualification testing or other suitable methods.