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 Welding Alloy 4145

 

Chemical Composition
% Al Si Cu Fe Zn Cr Mn Mg Others Others

Alloy 4145

Bal

9.3-10.7

3.3-4.7 0.80 max 0.20 max 0.15 max 0.15 max 0.15 max 0.05 each max 0.15 max total

 

Used on

Joining grades 201, 206, 224, 314, 330, 354, 355 to 6005, 6061, 6063, 6101, 6151, 6201, 6351, 6009, 6010, 6070. C355 A356, 357, 413, to 201, 206, 224, 319, 330, 354, 355, C355. LM4, LM16, LM20, LM25, LM99 to 6000 series as above and cast alloy combinations as shown. 2014, 2024.

Repair of 2xxx wrought alloys and Al-Cu, Al-Si-Cu casting alloys.

Cross-Reference of Specifications

ALCUBRAZE
MSRR 9500/35
716 AL

B AISI-3
AMS 4184D
ALLOY 4145

UNS A 94145
FS-BAISi-3
AL-1

Availability

Ex stock MIG spools and TIG rods

 

Weld Properties

Melting range 968° - 1085°F, Density 2.74gm/cc

ALLOY 4145 is an Al-Si-Cu welding alloy with low melting range which enables successful repair welds to be made in copper containing heat treatable Al-alloys.

 

Disclaimer    

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

 

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