AUTOMOTIVE
MATERIALS FOR AUTOMOTIVE
1. Alloys intended for the manufacture of heat exchangers.
| Al alloy | Applications |
| EN AW-3003 | Alloys intended for the manufacture of different part heat exchangers. Offered in claded or uncladed verisions |
| EN AW-3003 +1.5%Zn | |
| HF420 | Alloys for the production of claded fins |
| HF421 | Alloys for the production of claded fins |
| HF422 (+0.7% Zn) | Alloys intended for the production uncladed fins with the addition of zinc in the range of 0.5 ÷ 0.9% |
| HF424 (+2.5%Zn) | Alloys intended for the production uncladed fins with the addition of zinc in the range of 2.3 ÷ 2.7% |
| LH436 | Alloys intended for the production of automotive tubes, heat exchangers, andother thicker elements (header, manifold) |
Alloys used as clad material: EN AW-4343, EN AW-4045 or modifications of these alloys, for example. EN AW-4343 + 1% Zn
The standard thickness of the clading layer: 5%; 7.5%; 10%; 12%; 15% (other thicknesses negotiable)
| DELIVERY STATUS | AFTER SOLDERING | |||||
| Al alloy | Temper | Rm [MPa] | R02 [MPa] | A50 [%] | Rm [MPa] | R02 [MPa] |
|
EN AW-3003,
EN AW- 3003+1.5%Zn
|
O | 95 ÷ 135 | min 35 | min 20 | 105 | 35 |
| H14 | 145 ÷ 185 | min 125 | min 1 | |||
| H16 | 170 ÷ 210 | min 150 | min 1 | |||
| HF 420 | H14 | 170 ÷ 210 | min 160 | min 1 | 130 | 50 |
|
HF421
HF422
HF424
|
H14 | 190 ÷ 230 | min 180 | min 1 | 145 | 55 |
| LH436 | H14 | 150 ÷ 190 | min 135 | min 4 | 140 | 50 |
| H24 | 190 ÷ 230 | min 160 | min 5 | |||
| O* | min 140 | min 60 | min 20 | |||
| Al alloy | Corrosion potential [mV] |
| EN AW-3003 | -720 |
| EN AW-3003+1.5%Zn | -810 |
| HF 420 | -790 |
| HF421 | -800 |
| HF422 | -760 |
| HF424 | -890 |
| LH436 | -700 |
2. Alloys for different automotive components productions
| Al / Al alloy | Applications |
| EN AW-1050A EN AW-5754 |
Alloys for the production of various types of thermal and acoustic shielding for exhaust systems and engines |
| EN AW- 5754 EN AW-5182 |
Alloys for the production of internal body parts, car door structural components |
It is possible to produce other temper after previous agreement of technical requirements
3. Chemical composition different automotive component
| Al / Al alloy | Si [%] | Fe [%] | Cu [%] | Mn [%] | Mg [%] | Zn [%] | Al [%] |
| EN AW-1050A | 0.25 | 0.40 | 0.05 | 0.05 | 0.05 | 0.07 | min 99.50 |
| EN AW-5754 | 0.40 | 0.40 | 0.10 | 0.50 | 2.6-3.6 | 0.20 | rest |
| EN AW-5182 | 0.20 | 0.35 | 0.15 | 0.20-0.50 | 4.0-5.0 | 0.25 | rest |
| EN AW-5052 | 0.25 | 0.40 | 0.10 | 0.10 | 2.2-2.8 | 0.10 | rest |
