Name: Golden Bridge (D276 D277) Electrode
Brand: Golden Bridge
SKU: D276-D277-1/16-0005
Availability: InStock

D276 D277

Introduction：

D276 and D277 are high CrMn-type surfacing welding electrode with low-hydrogen coating. D277 adopts DCEP connection method, and D276 can be used in both AC/DC applications. The weld metal has working hardening, good toughness, cavitation resistance and good crack resistance.

Purpose：

The product is applicable for the surfacing welding of high manganese steel parts which are damaged by cavitation and require high wear resistance and toughness, such as water guide vanes of turbine blades, railway turnouts, screw conveyor mechanisms, bulldozer blades, grab buckets and crushing blades.

Chemical components of deposited metal (%)

Test item	C	Mn	Si	Cr
Example value	0.35	12.65	0.45	13.50

Hardness of surfacing layer:

Test item	HB
Example value	220

Reference current (D276 AC, DC+) (D277 DC+)

Welding electrode diameter (mm)	Φ2.5	Φ3.2	Φ4.0	Φ5.0
Welding current (A)	60-80	90-130	130-170	170-220

Precautions:

1. Before surfacing welding, the welding electrode should be baked at 300-350℃ for 1h.
2. Surfacing welding will produce a lot of yellow smoke, so special attention should be paid on keeping air flowing and operating at upwind position.

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Diameter	* 1/16 inches (1.6 mm), * 3/32 inches (2.4 mm), * 1/8 inches (3.2 mm), * 5/32 inches (4.0 mm), * 3/16 inches (5.0 mm)
Package	5 lb, 10 lb, 30 lb, 44 lb, 50 lb

AWS A5 Series Code	AWS Standard Title
AWS A5.1	Carbon Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.2	Carbon and Low-Alloy Steel Rods for Gas Shielded Arc Welding (GMAW/GTAW)
AWS A5.3	Aluminum and Aluminum Alloy Electrodes and Rods for Gas Shielded Arc Welding (GMAW/GTAW)
AWS A5.4	Stainless Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.5	Low-Alloy Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.6	Copper and Copper-Alloy Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.7	Copper and Copper Alloy Bare Welding Rods and Electrodes
AWS A5.8	Filler Metals for Brazing and Braze Welding.
AWS A5.9	Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.10	Carbon Steel Electrodes and Rods for Gas Welding and Carbon Steel Filler Metals for Gas Brazing
AWS A5.11	Nickel and Nickel Alloy Welding Electrodes for Shielded Metal Arc Welding (SMAW), Gas Tungsten Arc Welding (GTAW), and Plasma Arc Welding (PAW)
AWS A5.12	Tungsten and Tungsten Alloy Electrodes for Arc Welding and Cutting
AWS A5.13	Surfacing Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.14	Nickel and Nickel-Alloy Bare Welding Electrodes and Rods
AWS A5.15	Welding Electrodes and Rods for Cast Iron
AWS A5.16	Titanium and Titanium Alloy Welding Electrodes and Rods
AWS A5.17	Carbon Steel Electrodes and Fluxes for Electroslag Welding
AWS A5.18	Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding (GMAW)
AWS A5.19	Magnesium Alloy Welding Electrodes and Rods
AWS A5.20	Carbon Steel Electrodes for Flux Cored Arc Welding (FCAW)
AWS A5.21	Bare Electrodes and Rods for Surfacing
AWS A5.22	Stainless Steel Electrodes for Flux Cored Arc Welding (FCAW)
AWS A5.23	Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.24	Carbon and Low-Alloy Steel Electrodes, Fluxes, and Consumables for Electroslag Welding
AWS A5.25	Specification for Carbon and Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding
AWS A5.26	Specification for Carbon and Low-Alloy Steel Electrodes and Fluxes for Electroslag Welding
AWS A5.27	Specification for Carbon and Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
AWS A5.28	Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
AWS A5.29	Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding