CHW-S3 / CHF101 (Hubei Atlantic Welding Consumables Co., Ltd.)
CHW-S3 / CHF101 (Hubei Atlantic Welding Consumables Co., Ltd.) by Zigong Atlantic Welding Wires Co., Ltd.. DNV TA certificate TAW00005J6.
Inspector Detail
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Common issues
- Moisture pickup in flux/coating leading to porosity in the finished weld
- Batch used past its recommended storage or holding-oven life without redrying
- Wrong polarity or heat input applied against the qualified welding procedure
- Undercut or lack of fusion on fillet welds when parameters are not followed
- Consumable strength/toughness grade mismatched to the parent plate specification
- Unlabelled or mixed stock making batch traceability impossible after opening
Inspection checklist
- Confirm the consumable matches the yard's approved Welding Procedure Specification (WPS)
- Check the DNV Type Approval certificate number (TAW00005J6) is current and covers the application
- Inspect packaging/canister integrity and batch date code before issue
- Verify storage and, where applicable, holding-oven/redrying log for the batch in use
- Review welder qualification record against this consumable class
- Visually inspect a test coupon for porosity, undercut and spatter before production welding
Service intervals
| Redrying/holding oven check (if a low-hydrogen or flux type) | per the consumable's own data sheet, commonly checked every shift while the batch is in use |
| Stock rotation | first-in-first-out at each goods-inward check, discard stock past its stated shelf life |
| Contact tip / feed liner replacement (if wire-fed) | typically every few hours of arc time or when arc instability appears |
Critical spares
- Spare unopened canisters/coils of the same approved batch and type
- Contact tips and gas nozzle for the feed torch used with this consumable
- Wire feed liner (if this is a wire-fed product)
Safety
- Welding fumes - local exhaust ventilation required, composition varies with coating/flux type
- UV radiation and arc flash from the welding process itself
- Fire/hot work permit required near fuel or paint stores
- Gas cylinders (shielding gas, if used with this consumable) are a pressure hazard
Class survey
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.
Components & Design
Component data being added…
Technical Data
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Maritime Network →DNV type approval
Verified against the DNV Approval Finder — the certificate below is issued by DNV, not by us.
- Certificate
- TAW00005J6
- Approved as
- Wire/Flux combination · Welding Consumables
- Certificate holder
- Zigong Atlantic Welding Wires Co., Ltd. (China)
- Valid until
- 2029-07-14