... good,soft , flexible 1. Main use: widely used in auto-braking system; auto-oil system, etc2. Raw materials: low carbon steel tube3. ... 8.00mm × 0.7±0.01mm4. Industry standards: Quality Management System-ISO/TS 16949:20025. Products functions: our materials single/double ... / m²8. Neuter hydrochloric acid trial: no rusty on OD in 30000hours9. Packing: export standed, box, palstic,etc (according to ...