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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
* Material intended for the production of thicker heat exchanger components

  
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
 
© COPYRIGHT 2018 Impexmetal SA

NIP 525-00-03-551, Numer KRS 0000003679 Sąd Rejonowy dla M.St. Warszawy,
XIII Wydział Gospodarczy KRS. Wysokość kapitału zakładowego 76 000 tys. PLN
Realizations: WR Consulting