Is The Brass As Yellow As Possible

The yellow brass is not the better.

Brass is yellow because tin has been added to increase its hardness, while pure copper is reddish in color. The more yellow the brass, the more tin it contains and the less pure it is.

Introduction to Brass

Brass is an alloy composed of copper and zinc. Brass composed of copper and zinc is called ordinary brass. If it is composed of more than two kinds of elements, it is called special brass. Brass has strong wear resistance, brass is often used in the manufacture of valves, water pipes, air conditioning inside and outside the machine connection pipe and radiator.

So far, the earliest copper products found in the world are mainly in West Asia, such as Iraq's Zawei Chumi region, found copper ornaments, the age of about 10,000 BC to 9,000 BC; Copper ornaments dating from 9000-7000 BC have also been found in the Ali Kashi region of western Iran.

Copper needles and cones have been unearthed at the Chayouni site in southern Turkey, dating to about 8000 BC. These copper products are beaten products of natural red copper, not copper obtained by smelting ore.

If you have any questions, please contact us. Our company can produce various customized needles, medical needles, puncture needles, hypodermic needles, biopsy needles, vaccine needles, injection needles, syringe needles, veterinary needles, pencil point needle, ovum pick up needles, spinal needles, etc. If you need customized needle products, please contact us. We look forward to your inquiry! The quality of the products manufactured in our factory will surely satisfy you!

Please contact us if you need: zhang@sz-manners.com