General Welding Consumables · Welding Consumables
T Union SA Ni1 / UV C 418 TT-M by voestalpine Böhler Welding (China) Co., Ltd. is a welding consumable combination identified for marine fabrication and repair use. The consumable is not a shipboard machine; its performance is determined by the approved wire/flux or consumable pairing, base material, welding procedure and storage condition. It is normally controlled through the vessel, yard or repair contractor's welding consumable store with batch traceability maintained to the relevant certificates. Moisture pickup, contamination or mixing of different approved combinations can change weld quality even when the product names appear similar. Neighboring consumables in the manufacturer's range may have different mechanical properties, hydrogen control, positional suitability or base-material applications; those differences must not be inferred from the series name alone. Use the approved welding procedure, certificate and manufacturer documentation for the exact combination and handling requirements.
What our service work and the manufacturer documentation say about keeping this model running.
Control receipt, identification, storage, issue and return of consumables under the yard/vessel welding quality procedure. Keep sealed material dry and segregated, and use heated storage or redrying only where the manufacturer and approved procedure require it. Verify the consumable combination against the approved WPS before welding starts and maintain batch traceability in repair records. Class survey of structural repair may include review of WPS/PQR, welder qualification, consumable certificates and storage controls. Use manufacturer documentation for exact storage temperature, redrying conditions and exposure limits.
| Flux/wire shelf life once opened | per the manufacturer's datasheet - confirm before re-use |
|---|---|
| Redrying of opened flux | per the manufacturer's procedure before re-use |
| Stock rotation | FIFO, reviewed at each goods receipt |
DNV Type Approval TAW000002K confirms this flux/wire combination for use within its stated parent material and thickness range. Surveyors check the approval certificate is current, that the combination actually used matches the WPS, and that batch traceability is documented in the welding record.
Maintain sufficient unopened, correctly certified consumables from approved batches for the planned repair scope, with allowance for wastage. Keep compatible contact tips, liners or feed components only where they belong to the welding process equipment; these are not substitutes for consumable traceability. Do not retain unidentified or mixed returned material as critical repair stock.
Verified against the DNV Approval Finder — the certificate below is issued by DNV, not by us.
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