elZinc®: a quality brand
The use of the best technologies available on the market allows us to offer quality products that exceed the requirements of standard EN 988 and ASTM B69 within which are established the specifications for flat-rolled products of zinc alloys for use in building.
The alloy is produced from zinc of the highest quality (Z1>99.995%) to which precisely controlled quantities of copper (Cu) and titanium (Ti) are added to improve the zinc’s properties, according to the European standard UNE-EN 1179. The alloy´s purity is closely monitored by a series of finely regulated controls.
Through the optimization of the rolling process’ operating parameters and meticulous temperature control during all of the various production stages, elZinc® has developed a product of excellent quality suitable for different applications in building.
The rigorous Quality Controls continuously conducted by our own laboratories and by prestigious independent experts maintain and attest to the Quality of our material.
elZinc’s products are characterized by:
Very good work-ability irrespective of the direction of rolling.
High resistance to creep (creep strain limit).
Low cold brittleness.
Optimal electrowelding performance due to its low surface oil content.
elZinc: a reliable brand
All elZinc® sheets and coils are identified with a serial number to ensure traceability.
This automatic marking on the inside surface of the metal guarantees product traceability and quality of the material.
It consists of 5 segments:
1. elZinc brand.
2. ZnCuTi alloy.
3. EN988 standard.
4. The product thickness.
5. Coil and casting identifying code.
From its origins, Asturiana de Laminados, SA – elZinc® – has submitted itself to an ongoing process of improvement that has been accredited and endorsed by the internationally recognized standard for quality management UNE-EN ISO 9001.
elZinc®’s main concern and objective is to give our clients total satisfaction right from the first contact.
Physical Properties of elZinc:
|Recrystallisation temperature||min. 300ºC|
|Coefficient of linear expansion||0.022 mm/m/ºC|
Test Criteria of elZinc’s standard rolled zinc:
|CRITERIA||DIN EN 988||ELZINC||ASTM B-69 Architectural type 1–|
|Zinc||Zn (99.995%) (Z1 as per DIN EN1179)||Zn 99.995 (Z1 as per DIN EN 1179)||–|
|Pe, Fe, Cd, Sn, Mn, Mg||Zn (99.995%) (Z1 as per DIN EN1179)||Zn 99.995 (Z1 as per DIN EN 1179)||max. 0.005%|
|Copper||0.08 – 1.0%||0.08 – 0.2%||0.08 – 0.2%|
|Titanium||0.06 – 0.2%||0.07 – 0.12%||0.07 – 0.12%|
|Aluminium||max. 0.015%||max. 0.015%||0.001 – 0.015%|
|DIMENSIONS / TOLERANCES FOR STANDARD PRODUCTS|
|Thickness of sheets/coils||± 0.03mm||± 0.02mm||±0.0254mm* ±0.0508mm**|
|Width of sheets/coils||+2 / -0mm||+1 / -0mm|
|Length||+10 / -0mm||+2 / -0mm||± 1.575mm|
|Staightness||max. 1.5 mm/m||max. 1.0 mm/m||25.4mm / 3048mm|
|Flatness||max. 2mm||max. 2mm||–|
|MECHANICAL AND TECHNOLOGICAL PROPERTIES IN THE DIRECTION OF ROLLING|
|Yield strength elasticity 0.2 %||min. 100 N/mm2||min. 110 N/mm2||–|
|Tensile strength (Rm)||min. 150 N/mm2||min. 150 N/mm2||96 – 262 N / mm2|
|Breaking elongation (A50)||min. 35%||min. 40%||10 – 70%|
|Vickers hardness (HV3)||–||min. 45||–|
|HR15T hardness||–||–||54 – 74|
|Bending test||No cracks at the edge of fold||No cracks at the edge of fold||–|
|Bending back after folding test||–||No cracks||–|
|Erichsen test||–||min. 7.5 mm||–|
|Deformation after yield strength test (Rp0.1)||max. 0.1%||max. 0.1%||–|