Product Name:    Coiled Copper Hollow Conductors for   welding machines

Material:  Cu>99.90%  oxygen-free copper, electrily copper  as bellowing alloy

Advancture:  1)  high-conductivity :  conductivity at 20°c > 58 m/Ω mm² (100%IACS) ; specific resistance at 20°c ≤ 0.01724 mm²  

                       2)  oxygen-free copper:  Oxygen less than 10PPM

                       3)  highly precision of diameter tolerance: OD in +/-5%, and ID +/-0.02mm

                       4)  More length (up-to 700kgs/coil in continuous), for size 6.5x6.5/OD3.5 tube, it can be more than 2000 meters in one continuous coil

imensions and shapes: we can made our copper hollow conductor for magnet coils in  Rectangular with round hole,  Square with square hole,  Rectangular with uniform wall thickness,  Rectangular with oval hole,  Square with round hole,  Rectangular with non uniform wall thickness, flat bar with inside hole, and Round pipe

size arrange: OD6mm to OD55mm.

Package: wooden wheel 

Min order quantity: 200kgs per size

Delivery : 35~60days after order