H65 brass tube 1. ISO9001 approved. 2. We have been in the line for 6 years. H65 brass tube1. Standard: ASTM, EN, GB, JIS, etc.2. Material: C27200. C27000. C26000. C24000 alloy Cu/Zn 63/37, Cu/Zn 65/35, Cu/Zn70/30, Cu/Zn 80/203. Feasures: precise size, bright, smooth on both ends, clean and straight4. Specification: OD: 0.2-70mm5. Wall thickness: 0.3-70mm