Copper
Bright and Shiny wire
Thickness should be more then 1.3 mm. Enameled wire should be excluded.
New Copper
Punched material emanating from the factories (such as a tough pitch, oxygen-free copper)
#1 Copper (High grade Copper)
Copper, which is clean, unalloyed, uncoated, and not insulated, such as copper wire or cooling pipes with non-welded parts. Copper wire, which is not considered as bright and shiny wire. Copper plate etc.
#2 Copper (Low grade copper)
Copper, which has some contaminants like iron or stainless-steel.
Phosphor bronze
Consist of 90% of copper, 10% of tint and phosphorus about 0.2%
Consist of 90% of copper, 10% of tint and phosphorus about 0.2%
Metal which is made by dismantling the kettle, such as solder-plated, lead-plated copper
Gunmetal
Primer gunmetal
Should consist of only gunmetal (such metal like aluminum bronze and valve with brass parts should be excluded).
Gunmetal powder
Machining chips of gunmetal (Manganese, Arms and Beryllium should be excluded)
Plated gunmetal
Plated Gunmetal. The main portion of faucets
Valve gunmetal
Outer is gunmetal and axle is brass, which does not contain iron and other dissimilar contaminations.
ECO BRASS
Materials that do not contain lead and labeled with “ECO” or “E” marks.
The color of such products are thinner then gunmetal.
Water meter
Yield depends on types. Mainly made by gunmetal with BC 6 grade.
Brass
70%/30% Brass
Consist of about 70% Copper and about 30% of zinc.
60%/40% Brass
Consisting of about 60% of Copper and about 40% of zinc.
Mixed brass
Composition of gunmetal faucets, plated-gunmetals, and brass.
Electric wire
Automotive harness (Mixed wire)
Wire chips emanating after car dismantling. Prices depends on the yield.
Aluminum
Base metal
Aluminum ingots mainly made by dissolving the engine, etc.
Printing plates (1000 series)
Aluminum plates that occur in printing factory. The main material is 1100. Imported materials might be 3000.
Aluminum wire (1000 series)
It seems that mainly materials are 1000 series, but there are also the 5000 series.
2017 (2000 series)
It is considered that the main materials are consist of 2017, 2011, 2024 series,
3003 (3000 series)
Mainly aluminum alloy which consists of manganese.
5000 series (5052)
Alloys with improved strength and corrosion resistance by adding magnesium, and other elements.
5000 series (5083)
Alloys with improved strength and corrosion resistance by adding manganese, magnesium and other elements.
6000 series (6063)
Such materials like aluminum sash, etc..
63B press (B sash)
6063 with a little amount of screw and foreign contaminants.
Aluminum wheel
The material of 1P is mainly AC4C and the materials of 2P and 3P are mainly 52 and AC4C
Aluminum Press
Various pressed aluminum goods such as pots & pans.
Aluminum glasses
Oxidized aluminum .
Aluminum cans (A cans)
Aluminum cans (A cans)
Aluminum cans (B cans)
Aluminum pressed cans that contain foreign substances.
Aluminum machine chips
Shavings of aluminum.
Non talk iron
Air conditioning radiator. The material is aluminum and copper.
Stainless
Stainless steel (SUS304)
Stainless steel that is mainly being used.