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: austenitic stainless steels. (2) Standard (JIS, ASTM, EN): a. SUS304, S30400, AISI, 304. b. SUS304L, S30403, AISI304L. c. SUS316L, S31603, AISI 316L. (3) Nominal chemical composition % ( C8 > 99.85): a. Fe:72 Ni:8.5-10 Cr:17-21 C < 0.07. b. Fe:71 Ni:8-12 Cr:18-20 C < 0.03. (4) Typical application: a. Medical instruments, bellows, endoscopes. b. Wristbands for watches: cryogenics bellows. c. Bourdon springs, bellows, electrome-chanical pates, thermometer bulbs, food and chemical industries, heat exchangers, wristbands for watches. (5) Density: 7.90 2. Tube in coils (1) Outside diameter: 0.3-2.0mm: +/-0.005mm(standard), 2.01-5.0mm: +/-0.05mm(standard). (2) Wall thickness: 0.07-0.8mm +/-0.005mm. (3) Coil ID: 450-650mm. Special ceae can be changed after discussion. (4) Coil weight: 5-20kg.