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 Welding Alloy 4043

 

Chemical Composition
% Al Si Fe Cu Ti Zn Mn Mg Be Others Others

Alloy 4043

Bal

4.5-6.0

0.80 max 0.30 max 0.20 max 0.10 max 0.05 max 0.05 max 0.0008 max

0.05 max

each

0.15 max total

 

Used on

1xxx, 3xxx, 6xxx series alloys.
2014, 2219, 5005, 5050, 5052, 7005, 7039, N21.
Al-Si, Al-Si-Mg casting alloys and combinations of above materials.
Al - Lithium alloys.
DTD372B, LM4, LM2, LM6, LM9, LM20, LM25, LM27.

Cross-Reference of Specifications

MSRR 9500/32
AMS 4190D
N21 (NG21)
MSRR 8065

UNS A 9 4043
OMAT 310A
Fed-QQ-R-556 Class 4043
Alloy 4043 A (BS 2901 PT4)
ER4043, R4043 (AWS A5.10.92)

Availability

Ex stock MIG spools and TIG rods

Spools 0.5kg, 2.5kg and 15kg European manufacture

Spools 1 lb, 5 lb and 25 lb American manufacture

Rods 1 kg, 2.5kg, 5kg & 10kg packs European manuf.

1000mm lengths, Flag tagged for traceability

Rods 5 lb American manufacture

Flag tagged for traceability

Weld Properties

Melting range 1063°- 1170°F, Density 2.69gm/cc

ALLOY 4043 is an Al-5% Si alloy, non-heat treatable.

ALLOY 4043 has a lower melting range than the base metals for which it is commonly used and relieves contraction during weld cooling.

 

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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