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ER4043

AWS A5.10 ER4043
ASME SFA 5.10 ER4043
UNS A94043

ER4043 (commonly referred to as AISi5) is a 5% silicon aluminum filler metal that is available in spools or cut lengths for MIG or TIG processes. This alloy is recommended for welding 3003, 3004, 5052, 6061, 6063 and casting alloys 43, 355, 356 and 214. Washington Alloy 4043 has a melting range of 1065- 1170°F and a density of .097 Ibs/cu.in. The post-anodizing color tint is gray. Tensile strength average is 29,000 psi.

TYPICAL WELD METAL CHEMISTRY (%)

-

ER4043

Si

4.5-6.0

Fe

0.80 max

Cu

0.30 max

Mn

0.05 max

Mg

0.05 max

Zn

0.10 max

Ti

0.20 max

Al

Balance

Others*

0.15 total max

*Be shall not exceed 0.0008 percent.

WA Part No.DescriptionUPC Code
TA 4043 01ER4043 .023 X 1 LB SPOOL034496400150
TA 4043 04ER4043 .030 X 1 LB SPOOL034496400181
TA 4043 045ER4043 .030 X 5 LB SPOOL034496400198
TA 4043 05ER4043 .030 X 10 LB SPOOL034496401119
TA 4043 055ER4043 .030 X 15 LB SPOOL034496400204
TA 4043 07ER4043 .035 X 1 LB SPOOL034496400211
TA 4043 075ER4043 .035 X 5 LB SPOOL034496400228
TA 4043 085ER4043 .035 X 15 LB SPOOL034496401027
TA 4043 123ER4043 .035 X 330 LBS DRUM034496223070
TA 4043 149ER4043 .040 X 1 LB SPOOL034496962085
TA 4043 1495ER4043 .040 (1.0MM) X 5 LB SPOOL034496962092
TA 4043 155ER4043 .040 X 15 LB SPOOL034496400242
TA 4043 23ER4043 1.0MM X 1 LB SPOOL034496401164
TA 4043 235ER4043 3/64 X 1 LB SPOOL034496400259
TA 4043 2355ER4043 3/64 X 5 LB SPOOL034496400266
TA 4043 2365ER4043 3/64 X 15 LB SPOOL034496401034
TA 4043 238ER4043 3/64 X 330 LBS DRUM034496223087
TA 4043 24ER4043 1/16 X 15 LB SPOOL034496400297
TA 4043 241ER4043 1/16 X 1 LB SPOOL034496400303
TA 4043 245ER4043 1/16 X 5 LB SPOOL034496400310