WHAT WE PURCHASE
- ALUMINIUM RAW MATERIAL CLASSIFICATIONS
- NEW PURE ALUMINIUM SHEET WIRE AND CABLE
New uncoated, unalloyed Aluminium sheet, wire and cable
scrap, not burnt or corroded. The Aluminium content shall be
99% minimum. Minimum thickness 0.2mm. Free from hair
wire, wire screen and from iron and all other foreign
substances. A delivery may contain a stated percentage of
pieces less than 5cm by previous arrangement between the
parties. Total maximum tolerance for oil, grease and non-
metallic coatings: 1%. The scrap must be free of deleterious
materials.
- NEW SCRAP OF ONE ALUMINIUM ALLOY
New uncoated Aluminium alloy scrap of one specified alloy
only. Minimum thickness 0.2mm. A delivery may contain a
stated percentage of pieces less than 5cm by previous arrangement between the parties. Free from coated material,
castings and all other foreign substances. Total maximum
tolerance for oil, grease and dust: 1%. The scrap must be free
of deleterious materials.
- NEW LOW COPPER ALUMINIUM SCRAP
(COMMERCIAL PURE)
New uncoated pure sheet scrap may contain a proportion of
one or more Aluminium alloys, none of which shall contain
more than 0.1% copper and 0.1% each of zinc, lead, tin
antimony and bismuth. Minimum thickness 0.2mm. A delivery
may contain a stated percentage of pieces less than 5cm by
previous arrangement between the parties. Total maximum
tolerance for oil, grease and non-metallic coatings: 1%.
The scrap must be free of deleterious materials.
- NEW CLEAN PRODUCTION ALUMINIUM EXTRUSION SCRAP
New clean production Aluminium extrusion scrap may contain
anodised material but must be free from painted materials and
thermal break. This material shall generally consist of 6063
(HE9) and 6082 (HE30) scrap. It shall not contain more than
0.1% copper and 0.1% zinc. Total maximum tolerance for oil,
grease and non-metallic coatings: 1%. The scrap must be free
from deleterious materials.
- NEW PRODUCTION PAINTED ALUMINIUM EXTRUSION
SCRAP
New production painted Aluminium extrusion scrap. This
material shall not contain thermal break and should not include
more than 0.1% copper and 0.1% zinc. Total maximum
tolerance for oil and grease: 1%. The scrap must be free from
deleterious materials.
- NEW AND USED MIXED ALUMINIUM ALLOY CUTTINGS
AND EXTRUSIONS
Must be free from alloys containing more than 0.1% zinc. High
copper containing alloys may be included by previous
arrangement between the parties. Maximum sizing is to be
agreed between the parties. Must not contain material which
will pass through an aperture of 5cm. Total maximum tolerance
for oil, grease and non-metallic coatings: 1%. The scrap must
be free from deleterious materials.
- OLD ROLLED ALUMINIUM SCRAP
Old household utensils and other wrought scrap of unalloyed
and alloyed Aluminium. Minimum thickness 0.2mm. Free from
Venetian blinds, UBCs, castings, toothpaste tubes, bottle caps,
milk bottle caps, and to exclude copper and zinc alloys, aircraft
alloys and turnings, and from all foreign metallic substances.
Must not contain material which will pass through an aperture of
5cm. Total maximum tolerance for calcareous and other non-
metallic substance: 2%. The scrap must be free of deleterious
materials.
- MIXED ALUMINIUM CASTINGS
Whole or broken Aluminium castings of all kinds. Free from
crusher scrap, free iron and other foreign substances. May
contain a maximum of 5% material which will pass through an
aperture of 5cm diameter. Total maximum tolerance for oil,
grease and dust: 2%. The scrap must be free of deleterious
materials.
- ALUMINIUM TURNINGS UP TO 2% ZINC
Aluminium borings, millings and turnings of two or more
specified alloys, not oxidised, with a maximum of 2% zinc. Free
from grindings, free magnesium, and from non-magnetic steel.
Total maximum tolerance for fines: 3%. Total maximum
tolerance for oil, moisture and free iron: 10%. The scrap must
be free of deleterious materials.
-OTHER SCRAPS
Other scraps not included in the above specification should be
sold on analysis or by special arrangement.