ALLUMINUM SPECIFICATIONS

ASME-SB-241/ASTM B-241
ALUMINUM-ALLOY SEAMLESS PIPE AND
SEAMLESS EXTRUDED TUBES

Scope

This specification covers aluminum alloy seamless pipe and round tube intended for pressure applications.

Manufacture

The pipe and tube shall be produced from hollow extrusion ingot (cast in hollow form, or drilled, or pierced from solid ingot) and shall be extruded by use of the die and mandrel method. It may be subsequently cold drawn at the option of the manufacturer.

ASTM B-429
Aluminum-Alloy Extruded Structural Pipe and Tube

Scope

This specification covers aluminum-alloy pipe and extruded tube in selected alloys and tempers and in standard sizes. The pipe and tube is intended for use in structural applications. Structural pipe and the tube is not intended for fluid carrying applications involving pressure.

Manufacture

The pipe or tube may be produced by extrusion through a bridge-type die or by other methods at the option of the producer, provided that the resulting products comply with the requirements and specifications.

ASTM B-491
ALUMINUM-ALLOY EXTRUDED ROUND
COILED TUBES FOR GENERAL
PURPOSE APPLICATIONS

Scope

This specification covers aluminum-alloy extruded round coiled tubes for general purpose applications such as refrigeration service, gas lines, oil lines, and instrument lines.

Manufacture

The tubes covered by this specification shall be produced by the hot-extrusion method.

Test for Leaks

When specified by the purchaser at the time of placing the order, tubes shall be tested for leaks by one of the methods at the option of the manufacturer.