Aluminum Alloy Welding Wire, 4.1Si -0.20 Mg (4643).

This specification covers an aluminum alloy in the form of welding wire. This wire has been used typically as filler metal for gas-metal-arc or gas-tungsten-arc welding of heavy sections of aluminum alloys of similar composition to produce joints having inherently low dilution ratio of base-metal to weld-metal, and where the weldment may require solution and/or precipitation heat treatment, but usage is not limited to such applications.

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Current & Historical versions of this standard
Standard	Date published	?Status
AMS4189H	2009-11-24	Revised
AMS4189G	2007-08-24	Cancelled
AMS4189F	2003-03-14	Revised
AMS4189E	1996-07-01	Revised
AMS4189D	1996-05-01	Revised
AMS4189C	1991-01-01	Reaffirmed
AMS4189B	1985-04-01	Revised
AMS4189A	1982-07-01	Revised
AMS4189	1976-01-01	Issued