brass round pipe 4mm 4.5mm thick 0.2mm 0.25 0.3 0.4 0.5 0.75 1mm polished copper pipes processing cutting customization

material is h62 brass, description is outer diameter(mm)*wall thickness(mm)*length. all length is 50cm.order one piece means we will deliver 1 piece of 50cm out. inner diameter=outer diameter-wall thickness*2,unit is mm. outer diameter 1mm 2mm is very very small. accept custom design and processing ready stocks.moq 1pcs. accept make samples first. red copper advantage is electric conduction,heat conduction,corrosion resistance. rate of elongation>=30,tensile strength