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Home > Products > welding electrodes/rods > free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders

free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders

Min. Order: 1 Kilogram

Product Description

 

 

 free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylindersfree sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders

cu237

GB

ECUAL-A2

Aluminum bronze electrode

 

AWS

ECUAL-A2

Description: cu237 is aluminum and iron bronze for the core, the skin is low hydrogen type copper alloy electrode. Excellent wear resistance and corrosion resistance. Using a DC power supply, the electrode connected to the cathode.
Uses: Widely used in aluminum and iron bronze and other copper alloy, copper alloy and steel welding, cast iron repair welding.
Such as a variety of chemical machinery, seawater radiator welding, pumps, cylinders, valves and other welding and ship propeller repair.

 

Deposited metal chemical composition(%)

AL

SI

FE

CU

ZN+PB

NI

PB

6.5-9.0

≤1.0

≤1.5

bal.

≤0.50

≤0.50

≤0.02

 

Deposited metal mechanical properties

item

Tensile of strength  mpa

Elongation %

guaranteed

≥300

≥15

General result

440-540

25-40

 

Reference current  DC+

Welding rod dia(mm)

2.5

3.2

4.0

5.0

Welding current(a)

55-85

90-130

110-160

150-200

 

NOTE

1. Before welding, the electrode should be baked at about 350-400 ℃ for 1 hour. Weldments on the surface of the water, oil, chloride and other impurities must be cleaned
2. Aluminum bronze welding and carbon steel surfacing, thin pieces do not need to warm up, thick pieces need to preheat about 200 ℃
3. After welding with a flat hammer hammer weld, refine the grain, to eliminate stress, improve the strength and plastic weld.
free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders

 free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylindersfree sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders

free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylindersfree sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders

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free sample aluminum bronze welding electrode 2.5mm aws ecual-a2 cu237 for pumps, cylinders 

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