Aluminum alloy extrusion material with excellent chip separation

Details Aluminum alloy extrusion material with excellent chip separation Aluminum alloy extrusion material with excellent chip separation

1993-02-26

1994-02-01

Andrews, Melvyn J.

Metal treatment

Stock

Aluminum base

148417, 420530, 420535, C22C 2106

Patent

active

052829090

ABSTRACT:
An Al alloy extrusion material for the fuel-distributing pipe of automobile, consisting essentially of 0.3 to 1.0 wt. % of Si, 0.1 to 0.5 wt. % of Cu, 0.6 to 1.5 wt. % of Mg, 0.3 to 1.0 wt. % of Sn, 0.005 to 0.03 wt. % of Ti and the balance of Al and inevitable impurities and having uniformly dispersed Sn compounds with particle diameter of not more than 20 .mu.m and density of 20 to 700 grains/mm.sup.2 in the section perpendicular to the extrusion direction of material is disclosed, which is excellent in the chip separation property and the precision of cut face on cutting.

REFERENCES:
patent: 2076575 (1937-04-01), Kempf et al.

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