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ECuSn-C Phos Bronze C Welding Electrode

Material: Copper / Copper Alloy
AWS Specification: ECuSn-C
JIS Specification: DCuSnB
DIN 1733 Specification: S-Cu Sn 7
Diameter: 2.5mm, 3.2mm, 4.0mm, 5.0mm
Length: 300-500mm
Application: joining copper to themselves as well as stainless steel, cast iron, and steel

ECuSn-C Phos Bronze C Welding Electrode

ECuSn-C Phos Bronze C Welding Electrode Application

ECuSn-C Phos Bronze C Electrode is a special tin-bronze electrode for joining and surfacing on DC (+). It has a smooth arc that produces dense porosity free deposits in all positions and welds an excellent color match to bronze.

ECuSn-C is excellent for joining copper base alloys not only to themselves but to stainless steel, cast iron, steels. This electrode may be used on AC current and as an electric brazing rod.

This Phos Bronze C rod is also used for copper and its alloys, galvanized iron, cast iron, malleable iron, joining brass or bronze to steel, machine parts consisting of the foregoing metals as piston rock, gears, guides, water wheels, ship propellers, impeller blades, bearing, brushing, motor end rings, valve sets, contact points, coupling pipings, etc.

ECuSn-C Phos Bronze C Welding Electrode Typical Chemical Composition

Cu including Ag Sn Fe P Al Pb Other
Bal 7.0-9.0 0.25 Max 0.05-0.35 0.01 Max 0.02 Max 0.5 Max

Mechanical Properties

Yield Point Tensile Strength Elongation Hardness
N/mm2 (ksi) N/mm2 (ksi) % HB
Not Specified 390 (57) 30 90-100

ECuSn-C Phos Bronze C Welding Electrode Typical Welding Parameters

Dia. 2.5 3.2 4 5
Length 250 350 350 350
Current Range Amp
DC (+)
75-105 90~130 120~160 150~220

NOTES ON USAGE:

Clean parent metal of rust, paint, seals, oil, grease, and moisture to ensure sound porosity-free welds.

Because copper has high heat conductivity, preheating and interpass temperature are required for heavy sections (5mm & more)

For phosphor bronze and gunmetal…………………………………….. 150 – 200ºC

For brass …………………………………………………………………… 250 – 300ºC

No preheating is required to this section (less than 5.0mm) or on ferrous-based materials.

Don’t use too much weaving. The bead width should be kept within 3 times or rod diameter.

Apply hot peening on every bead because of the structure of deposited metals rough at the as-welded condition. Hot peening is effective to an improvement of mechanical properties.

Please note that the above specifications are “general specifications” that pertain to the majority of our production. These specifications should only be used for general, informational purposes. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All specifications are subject to change without prior notice. All pictures shown are for illustration purposes only. Actual product may vary.

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