We are able to deliver much tighter tolerance with cionstants deviation range per tube, per lot and between different shipments.
1. Alloy and application: (1) Material: brass. (2) Standard (JIS, ASTM, EN): C2700, C27200, CuZn37. (3) Nominal chemical composition % (C8 > 99.85): Cu:6 3, Zn:37. (4) Typical application: radio aerials, musical instruments. Rivets,pointers shaft mechanisms, lighter bodies, fountain pen bodies, Bourbon springs (5) Density: 8.43. 2. Tube in coils: (1) Outside diameter: 0.15-2.0mm +/-0.005mm(standard), 2.01-4.0mm +/-0.05mm(standard). (2) Wall thickness: 0.05-0.8mm +/-0.005mm. (3) Coil ID: 450-650mm. Special ceae can be changed after discussion. (4) Coil weight: 5-20kg. Special ceae can be changed after discussion.