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. | Description | UPC Code |
| TA 4043 01 | ER4043 .023 X 1 LB SPOOL | 034496400150 |
| TA 4043 04 | ER4043 .030 X 1 LB SPOOL | 034496400181 |
| TA 4043 045 | ER4043 .030 X 5 LB SPOOL | 034496400198 |
| TA 4043 05 | ER4043 .030 X 10 LB SPOOL | 034496401119 |
| TA 4043 055 | ER4043 .030 X 15 LB SPOOL | 034496400204 |
| TA 4043 07 | ER4043 .035 X 1 LB SPOOL | 034496400211 |
| TA 4043 075 | ER4043 .035 X 5 LB SPOOL | 034496400228 |
| TA 4043 085 | ER4043 .035 X 15 LB SPOOL | 034496401027 |
| TA 4043 123 | ER4043 .035 X 330 LBS DRUM | 034496223070 |
| TA 4043 149 | ER4043 .040 X 1 LB SPOOL | 034496962085 |
| TA 4043 1495 | ER4043 .040 (1.0MM) X 5 LB SPOOL | 034496962092 |
| TA 4043 155 | ER4043 .040 X 15 LB SPOOL | 034496400242 |
| TA 4043 23 | ER4043 1.0MM X 1 LB SPOOL | 034496401164 |
| TA 4043 235 | ER4043 3/64 X 1 LB SPOOL | 034496400259 |
| TA 4043 2355 | ER4043 3/64 X 5 LB SPOOL | 034496400266 |
| TA 4043 2365 | ER4043 3/64 X 15 LB SPOOL | 034496401034 |
| TA 4043 238 | ER4043 3/64 X 330 LBS DRUM | 034496223087 |
| TA 4043 24 | ER4043 1/16 X 15 LB SPOOL | 034496400297 |
| TA 4043 241 | ER4043 1/16 X 1 LB SPOOL | 034496400303 |
| TA 4043 245 | ER4043 1/16 X 5 LB SPOOL | 034496400310 |