Name: Golden Bridge (D507) Electrode
Brand: Golden Bridge
SKU: D507-1/16-0005
Availability: InStock

D507

Introduction：

D507 is a 1Cr13 valve surfacing welding electrode with low-hydrogen sodium coating, which adopts DCEP connection method. The surfacing metal is 1Cr13 semi-ferritic high chromium steel. Due to the air quenching characteristics of surfacing layer, heat treatment is not required generally. The surfacing layer has uniform hardness, which can be annealed and softened at 750-800℃, and can be hardened again after being heated to 900-1000℃ for air cooling or oil quenching.

Purpose：

The product is suitable for the surfacing welding of carbon steel or alloy steel shafts and valves with working temperature below 450℃.

Chemical components of deposited metal (%)

Test item	C	Cr	S	P
Example value	0.13	13.34	0.006	0.022

Hardness of surfacing layer: (Air cooling after welding)

Test item	HRC
Example value	48

Reference current (DC+)

Welding electrode diameter (mm)	Φ3.2	Φ4.0	Φ5.0
Welding current (A)	80-120	120-160	160-200

Precautions:

1. The welding electrode shall be baked at 300℃ for 1h before welding.
2. Before welding, the work piece should be preheated to above 300℃, and the corresponding hardness can be obtained by different heat treatments after welding.

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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