Copper nickel tube ,ASTMB111,C71500,manily be used in the heat exchanger,ship building ,power station and so on; 1. Standard: ASTMB 111, C71500 / ISO9001; Cu/Ni 70/302. Quality : bright ,clean and smmoth in the surface; No burr in the end ; Eddy Current test is ok ;3. Widely be used in the heat exchanger,ship building ,power station and so on;4. Specification : O.D 2mm to O.D 100mm; Length can up ...