General Welding Consumables · Welding Consumables
Dual Shield 4130N / C1 by ESAB Seah Corp. DNV TA certificate TAW00000MC.
| Redry/reconditioning of exposed flux-cored wire | per the maker's guidance if left unsealed beyond the stated exposure time - confirm against the data sheet, as this can be a matter of hours to a few days depending on ambient humidity |
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| Stock rotation/shelf-life check | per batch expiry marking, typically reviewed at each stores audit |
| Batch certificate filing/traceability check | at receipt of each new batch and before use on any class-relevant weld |
| Storage humidity/condition check for the consumable store | regularly, per the ship's welding store procedure |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Weld deposit mechanical properties | should meet the values on the maker's certificate of conformity for this specific batch - do not substitute an unverified batch, confirm against the qualified WPS requirement |
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| Open-spool exposure before redry | typically limited to a matter of hours up to a few days depending on humidity - confirm against the maker's data sheet rather than a generic rule of thumb |
| Storage humidity | flux-cored wire is typically expected to be stored within the range the maker specifies (commonly well below 60% RH) - confirm against the data sheet |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class interest is in the welding procedure and consumable being correctly matched and qualified (approved WPS/PQR, consumable certificate of conformity) for the base material and application, particularly for repair welding on class-relevant structure or pressure parts; retain batch certificates for audit.
Estimated lifetime: Not a running-hours item; this is a welding consumable, not machinery. Unopened shelf life is typically in the order of 1-2 years in proper storage, with a limited open-spool exposure window before redrying is required - confirm against the maker's data sheet and batch marking.
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.
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