AMPCO-TRODE® 250

Alternative and trade names
AWS A5.7 Class RCuAl-D
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Description

AMPCO-TRODE® 250 aluminum bronze bare filler rod is available for use with the gas tungsten arc welding process. The weld deposit has a nominal hardness of 250 Brinell and has higher yield strength and hardness than AMPCO-TRODE® 200 with lower tensile strength and ductility typical of the aluminum bronzes.


These characteristics make this deposit adaptable for use in extreme bearing applications where very high pressures are encountered.


AMPCO-TRODE® 250 is primarily used for overlay welding in applications where unusual wear-resistant qualities increase the service life of wearing parts.

Related Standards

Equivalent Materials

This material data has been provided by AMPCO METAL.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

Elongation

23.0 °C

0 %

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in 2″ (51 mm)

Hardness, Brinell

23.0 °C

340 [-]

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BHN (3000kg) 1/4″ (6.4mm) deposit

Tensile strength

23.0 °C

538 MPa

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Yield strength

23.0 °C

386 MPa

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Chemical properties

PropertyValueComment

Aluminium

13 - 14 %

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Copper

Balance, including silver

Iron

3 - 5 %

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Other

0.5 %

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max.

Silicon

0.04 %

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max.

Technological properties

Property
Application areas

Welding: Wear shoes, Chafing plates, Clutch fingers, Screw conveyors, Forming dies, Sleeves, Cams, Welding AMPCO® 22