3x30mm how much is the copper coin one meter?
A simplified formula for 3*30 purple copper: 3*0.03*8.9=0.8 kgShenzhen city of color metallurgy materials Co., Ltd. is a manufacturer of copper and aluminum materials production enterprises, you can ask, I hope my answer can lead you satisfied.
The formula of copper row is long * width * thickness = actual weight, and the density of copper is 8.9