Gränges offers a complete range of clad and unclad rolled aluminium products in various widths, gauges and tempers which are used for brazed heat exchangers.
From unclad fin materials to brazing sheets consisting of a core alloy and one or several clad layers bonded to the core. Depending on the specific need for a certain application Gränges can offer multiclad materials with up to five layers.
In total, there are about 1,500 product specifications, including 150 alloy combinations.
The products are of four main types:
Consists of a core alloy with braze clad on one or two sides, and in many cases, a core alloy with a braze clad on the outside and with a water-resistant clad on the tube inner side. The customer makes a tube by folding or welding the material.
Consists of a core alloy clad on each side, and is primarily used in condenser applications.
The most basic product of the heat exchanger materials. Unclad fin consists of only one alloy without clad layers.
Consists of a core alloy clad with brazeclad on one or two sides. The rolled product is stamped or shaped by the customer depending on the application and used in most kinds of heat exchanger applications, either for coolant plates manifolds.