AMPCO-CORE® 300

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Description

AMPCO-CORE® 300 is an aluminum bronze flux core wire for use with the Gas Metal Arc Welding process.


AMPCO-CORE® 300 is primarily an overlay filler metal. In addition to high hardness, the deposit also has excellent bearing and wear-resistant qualities.


These characteristics – hardness, bearing properties and wear resistance all combine to make AMPCO-CORE® 300 ideal for surfacing iron and copper-base materials. Dies overlaid with AMPCO-CORE® 300 have surprising freedom from scratching and galling; die marks are almost completely eliminated.

This material data has been provided by AMPCO METAL.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValue

Recycled Content

80 %

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Mechanical

PropertyTemperatureValueComment

Hardness, Brinell

23.0 °C

364 [-]

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(3000 kg), Three layer deposit on mild steel

Chemical properties

PropertyValue

Aluminium

13.5 %

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Copper

Balance, including silver

Iron

4 %

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Technological properties

Property
Application areas

Welding: Fabrication of new rebuilding of worn, ferrous dies, used for forming or drawing titanium, stainless steel, low to medium carbon steel

Other

AMPCO-CORE® 300 is available from stock in two diameters: 0.045” (1.2mm) and 0,062” (1.6mm). Both sizes are available in 12″ (300mm) spools weighing 33lb (15 kg) each. Other diameters are available upon request.

Processing methods

Welding position and deposits: The flat welding position is recommended. Backhand (trailing) welding is preferred rather than forehand (pushing) to make either stringer or weaved beads.

Shielding gas: 100% Argon


urrent typeGas flow rateIntensity [A]Voltage [V]Stick-out [inch (mm)]
DDC+ (DCEP),
continuous or pulsed
25 – 42 cfh (12-20 L/min)0.045″ (1.2 mm) 150-320
0.062″ (1.6 mm) 200-350/span>
Continuous 27-31
Pulsed 22-25
All diameters
5/8″- 3/4″ (10-20)