Welding Electrodes - Welding and Fabrication

Marine welding electrodes are flux-coated consumables used for joining and repairing carbon steel, low-alloy steel, and stainless steel structures on ships. Selection depends on base metal, welding position, strength, hydrogen control, and classification requirements.

ProShipWorks provides end-to-end support to source and supply Welding Electrodes for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.

Last updated: October 11, 2026

Product Information

Product Name	Welding Electrodes
Product Category	Welding and Fabrication
Product Reference	1211
Brands / Manufacturers	ESAB, Lincoln Electric, Kobelco Welding, voestalpine Böhler Welding
Unit of Measure	Kilogram or Box

Key Features

Key Feature
1. Available in rutile, basic low-hydrogen, stainless-steel, and hardfacing types
2. Used with shielded metal arc welding (SMAW/MMA)
3. Classifications include AWS E6013, E7016, E7018, and stainless grades
4. Low-hydrogen electrodes help reduce hydrogen cracking in structural welds
5. Supplied in multiple diameters and packaged in moisture-resistant containers

Applications of Welding Electrodes

Application
1. Ship hull, deck, bulkhead, and structural steel welding
2. Marine repair, maintenance, and emergency onboard fabrication
3. Welding of brackets, foundations, piping supports, and machinery structures

Models & Manufacturers

Model	Manufacturer
OK 48.00	ESAB
Excalibur 7018 MR	Lincoln Electric
LB-52U	Kobelco Welding
FOX EV 50	voestalpine Böhler Welding
OK 67.70	ESAB

Technical Specifications

Model	Specification	Value	Unit
OK 48.00	AWS classification	E7018-1 H4R	—
Excalibur 7018 MR	AWS classification	E7018 H4R	—
LB-52U	Electrode type	Low-hydrogen structural steel electrode	—
FOX EV 50	AWS classification	E7018-A1 H4R	—
OK 67.70	AWS classification	E309MoL-17	—
General marine electrode	Common diameters	2.5, 3.2, 4.0, and 5.0	mm

Standards, Certifications & Class Approval

Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.

Applicable Standards & Certification	Common standards include AWS A5.1 for carbon-steel electrodes, AWS A5.4 for stainless-steel electrodes, AWS A5.5 for low-alloy-steel electrodes, ISO 2560 for covered carbon-steel electrodes, and ISO 3581 for stainless-steel electrodes. Product-specific certificates should be verified.
Class Approval	Marine-approved welding consumables may be type-approved or accepted by DNV, ABS, Lloyd's Register, Bureau Veritas, and ClassNK. Approval depends on the exact electrode classification, manufacturer, diameter, welding position, and application.

Installation, Maintenance & Safety Information

Installation Notes	Select the electrode classification and diameter according to the approved welding procedure, base metal, joint design, and welding position. Remove surface contamination, use the specified welding current and polarity, and follow the manufacturer's baking and holding-temperature instructions.
Maintenance Tips	Store electrodes in sealed moisture-resistant packaging in a dry store. Re-dry low-hydrogen electrodes only within the manufacturer's specified limits, keep opened electrodes in heated holding ovens, and discard electrodes with damaged coatings or excessive moisture pickup.
Safety Notes	Use a qualified welder, approved PPE, welding screens, adequate ventilation, and suitable fire precautions. Isolate nearby fuel, paint, and combustible materials. Follow hot-work permits, enclosed-space procedures, electrical safety requirements, and the vessel's safety-management system.