BS EN 851:2014 pdf download.Aluminium and aluminium alloys – Circle and circle stock for the production of culinary utensils – Specifications.
BS EN 851 specifies the particular requirements for wrought aluminium and aluminium alloys in the form of circle or circle stock for culinary utensils applications.
This standard is applicable to:
Circles made out of hot or cold rolled circles stock, with a thickness from 0, 2 mm up to and including 12 mm and with a diameter from 100 mm up to and including 1 600 mm.
NOTE: Circles with a diameter up to 1 000 mm can be produced by blanking
Hot or cold-rolled circle stock with a thickness from 0, 2 mm up to and including 12 mm and with a width up to 1 600 mm.
BS EN 851 is not applicable to slugs for impact extrusions which are dealt with in othe European Standards.
2 Normative references
485-1, uminum and alminum aloys -, strip and plate-Part 1 Technica conditions for inspection and delivery.
EN 485-2, Aluminum and aluminum alloys-Sheet, strip and plate- Part 2 Mechanical properties.
EN 485-3, Aluminum and alminum aloys-Sheet strip and plate- Part 3 Tolerances on dimensions and form for hot-rolled products.
EN 485-4, Aluminum and aluminum alloys -Sheet strip and plate- Part 4: Tolerances on shape and dimensions for cold-rolled products.
EN 515, Aluminum and aluminum alloys- Wrought products- Temper designations.
EN 602, Aluminum and aluminum alloys -Wrought products -Chemica composition of semi-finished products used for the fabrication of articles for use in contact with foodstuff.
4 Technical conditions for inspection and delivery
4.1 General
All the provisions of EN 485-1 shall apply, except Clause 4(orders and tenders )which is modified as follows:
4.2 Orders or tenders
The order or tender shall define the product required and shall contain the following information:
a) the form and the type of product
1) the form of the product(circle and circle stock)
2) the designation of the aluminium or aluminium alloy,
3) when subsequent decorative anodising, anti-adhesive coating, enamelling, etc. by the customer is intended, this shall be expressly stated on the order. In all other cases, indication of the customer
application is recommended.
b ) the metallurgical temper of the material for delivery according to EN 515(degree of hardness or heat
treatment condition )and if different, the metallurgical temper for use
c)the number of this European Standard or Specification number, or where none exists, the properties greed between purchaser and supplier;
d)the dimensions and shape of the product as applicable:
1)thickness,
2)diameter of the circle
3)width of the strip, sheet, or plate
4)length of the sheet or plate
5)internal and external diameters of the coil;
e)whether hot rolled or cold rolled tolerances apply.BS EN 851 pdf download.