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OE-S 2 / OP 181

General Welding Consumables · Welding Consumables

Class-certified type (DNV register) · technical data sheet not yet verified

Lincoln Electric Europe welding consumables. Lincoln Electric is a leading manufacturer of welding consumables for marine applications. The products are classified to AWS and ISO 2560 and meet DNV and ABS requirements for shipbuilding. The Excalibur 7018 MR series is particularly relevant for shipboard use because of its moisture resistance rating (H4R).

Inspection

Inspector Detail

Common issues

  • Moisture pickup in flux or electrode coating causing porosity or hydrogen-cracking risk in the weld
  • Consumables stored in uncontrolled humidity or left uncovered after opening
  • Use of expired or out-of-date consumable batches
  • Consumable combination (wire/flux or wire/gas) not matching the qualified welding procedure specification (WPS)
  • Contaminated or repeatedly recycled flux (for submerged-arc processes) affecting arc stability and weld quality

Inspection checklist

  • Check storage conditions (heated/dry cabinet, holding ovens for low-hydrogen types) against the manufacturer's datasheet
  • Check batch/lot certificates against the class-approved WPS being used
  • Verify the consumable combination in use matches the qualified WPS (wire diameter, flux/gas type)
  • Check expiry dates and re-baking/re-drying records for low-hydrogen or moisture-sensitive consumables
  • Visual check of flux for contamination or moisture before reuse in submerged-arc welding
  • Confirm welder qualification records match the process and consumable in use

Service intervals

Consumable stock rotation (FIFO)ongoing
Re-drying/baking of opened low-hydrogen consumablesper manufacturer datasheet, typically within a few hours of opening unless held in a heated cabinet
WPS/welder qualification renewalper class rules, typically every 3 years or on significant process change

Critical spares

  • Stock of the same batch/type of wire and flux (or electrode) combination specified in the approved WPS for repeat repairs
  • Matching flux or shielding gas for the qualified process - do not substitute a different type or brand without re-qualifying the welding procedure
  • Spare holding oven/heated storage capacity for moisture-sensitive or low-hydrogen consumables
  • Retained batch/lot certificates for consumables currently in use, for traceability at survey

Safety

  • Welding fume exposure (manganese and other alloying elements depending on consumable type) requires ventilation and respiratory protection per the safety data sheet
  • Hot work permit and fire watch required near flammable materials, coatings, or tanks that have carried flammable cargo
  • Electric shock hazard from welding equipment and cables
  • Arc flash and UV exposure require eye and skin protection

Class survey

Class requires welding consumables used on structural or pressure-part repairs to be class type-approved and used within a qualified WPS; consumable batch traceability records are commonly checked at survey for repairs to class-relevant structure. Note: the description on file references an 'Excalibur 7018 MR' stick electrode classification, which does not correspond to the OE-S 2 / OP 181 product on this record - that classification should not be relied on for this specific product without checking the current PPG/Lincoln Electric OE-S 2 / OP 181 datasheet.

Classification

DNV type approval

Listed in the DNV Approval Finder at the time we recorded it. The certificate is issued by DNV, not by us; check its current status at DNV.

CertificateTAW00002K5
Open the certificate at DNV
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