OK Tigrod 4047 was originally developed as a brazing alloy to take advantage of its low melting point and narrow freezing range. In addition, it has higher silicon content than OK Tigrod 4043, which provides an increased fluidity and reduced shrinkage. Hot cracking is significantly reduced when using OK Autrod 4047 as a filler alloy. The alloy may be used in applications of sustained elevated temperatures. Non-Heat treatable.
| Specifikace | |
|---|---|
| Klasifikace | SFA/AWS A5.10 : R4047 EN ISO 18273 : S Al 4047 (AlSi12) |
| Schválení | CE : EN 13479 CWB : R4047 UKCA : EN 13479 |
| Typ legování | Alloyed aluminium (Al + 12 % Si) |
| Ochranný plyn | I1, I3 (EN ISO 14175) |
| Typické vlastnosti v tahu | ||
|---|---|---|
| Podmínky | Mez skluzu | Mez pevnosti v tahu |
| Po svaření | 125 MPa | 230 MPa |
| Typické složení drátu % | |||||
|---|---|---|---|---|---|
| Mn | Si | Al | Cu | Zn | Fe |
| 0.01 | 11.5 | Rem | 0.01 | 0.01 | 0.18 |