Hardfacing Cored Wire

Compare gas-shielded cobalt CoCr-A wire in 1.2, 1.6 and 2.4 mm, with size-specific current and gas-flow ranges, 20–31 V and up to 20 mm stick-out. Documented 15 kg BS300 packs are limited to 1.2 and 1.6 mm.

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Representative grey wire spool; the internal core, alloy, diameter, spool standard and net mass are not identified by this image.
Representative grey wire spool; the internal core, alloy, diameter, spool standard and net mass are not identified by this image.

Sizes & capacities

Manufacturer reference configurations

Compare published specifications for each configuration, then select a reference or enter your own requirements. Supply and the final configuration are confirmed in the quotation.

3 documented configurations. Review one specification at a time; your custom requirements are retained.

CoCr-A cored wire · 1.2 mm

Reference cobalt-cored-wire size and recommended parameters, not a qualified procedure. Source 15 kg BS300 packs are documented only for 1.2 and 1.6 mm. No polarity is stated in this sheet. Packaging for 2.4 mm and final deposit requirements need confirmation.

Wire classification
EN 14700: T Co 2
AWS classification
AWS A5.21: ERC CoCr-A
Form
Gas-shielded cobalt-based cored wire
Nominal analysis (wt%)
C 0.9%; Mn 1.2%; Si 1.5%; Cr 29.0%; Co balance; Ni 2.3%; W 4.7%; Fe 3.5%
Wire diameter
1.2 mm
Recommended current
110–180 A
Recommended voltage
20–31 V
Maximum stick-out
20 mm
Recommended gas flow
12–15 L/min
Recommended shielding gas
98% Ar + 2% O₂ or 100% Ar
Typical all-weld hardness
40–42 HRC
Reference spool
BS300
Reference pack mass
15 kg
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Your specification

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Essential operating requirements
Additional dimensions and application details

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Applications

Specify the worn component, substrate grade, wear mechanism and service conditions. Describe abrasion, impact, compression, temperature and corrosion separately.

Selection guidance

Choose a documented reference or enter an unlisted requirement. Specify the repair procedure, buffer layers, dilution, preheat/interpass conditions and finishing. Hardness alone does not establish suitability.

Technical notes

Published size and parameter facts remain separate from your requested specifications. Final alloy, process, packaging and documents are confirmed in the quotation. No automatic qualification, stock or guaranteed deposit performance is implied.