General Welding Consumables · Welding Consumables
SC-71CA / C1 is a Hyundai Welding Co., Ltd. Gochang Plant gas-shielded flux-cored welding consumable. It is supplied as wire for mechanized or semi-automatic arc welding and is used only within a qualified welding procedure that specifies the correct consumable, shielding gas, polarity and parameters. In shipbuilding and repair, such wire may be used for structural steel fabrication where the WPS and class approval cover the joint and parent material involved. The C1 designation is part of the consumable's classification and approved shielding-gas condition and should not be interpreted independently of the applicable certificate and WPS. The product differs from solid wire and submerged-arc consumables because the flux ingredients are contained within the tubular wire and contribute to arc behavior, slag and weld-metal properties. Batch traceability and storage condition are therefore part of quality control, not merely purchasing information. Mechanical properties, permitted positions and heat-input limits must be taken from the current certificate and welding procedure rather than assumed from the trade name.
What our service work and the manufacturer documentation say about keeping this model running.
Control the consumable through the vessel or yard welding-quality system rather than a machinery PMS. Verify product identity, batch traceability, package integrity and storage condition before issue to the welder. Confirm that the approved WPS specifically permits SC-71CA / C1 and that shielding gas, polarity, wire feed and welding parameters are set within that procedure. Exposed wire should be protected from moisture and contamination, and suspect material should be quarantined rather than dried or reused by guesswork. Any storage-life, reconditioning or exposure limit must come from Hyundai Welding documentation and the applicable class approval.
| Stock rotation | first-in-first-out at each goods-inward check, discard stock past its stated shelf life |
|---|---|
| Contact tip / feed liner replacement | typically every few hours of arc time or when arc instability appears |
| Shielding gas flow meter/regulator check | before each welding session |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
Class checks that welding consumables used for hull, pressure part or piping repairs carry a valid DNV Type Approval covering the intended steel grade and welding position, and that batch/certificate records are retained in the repair file for traceability.
There are no mechanical spare parts for the consumable itself. Carry sealed wire stock in quantities appropriate to expected repair work, with each batch identifiable and protected from humidity, salt and physical damage. The welding outfit should separately have compatible contact tips, liners, drive-roll consumables, gas-system seals and torch service parts, but those items are selected for the welding machine rather than for SC-71CA alone.
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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