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AWS A5.5: E7018–A1 H4R | ISO 3580-A: E MoB 3 2 H5 H4R Grade | Mo/Cr-Resistant Welds | Boiler & Pipe-Ready A low hydrogen, moisture-resistant iron powder electrode designed for creep-resistant steels containing 0.5% Mo and 0.5–1.0% Cr. Suitable for high-integrity welding in boilers, pressure vessels, cement kilns, cast steels, and structural components operating at elevated temperatures (up to 525 °C). Delivers smooth arc behaviour, excellent weld bead appearance, and radiographic-quality joints across all positions. Available Packs: Dimensions:2.50 mm x 350 mm, 3.15 mm x 450 mm, 4.00 mm x 450 mm, 5.00 mm x 450 mm Pack Sizes: 2.5 Kg Pouch, 5 Kg Box Master Box: 20 Kg, Customisable packaging available on request