Material Composition and Structure：Solid copper-zinc-lead brass with added lead to improve machinability. Available as round bar and other bar profiles for subsequent precision machining into finished components.
Performance and Application Characteristics：Excellent machinability and chip-breaking characteristics. Suitable for high-speed automatic turning, drilling and tapping, with a good surface finish. Typical applications include nuts, fittings and other precision-turned components.
Standard Designations：GB/T 8890-2015, ASTM B36/B36M-13 , ASTM B19-15, ASTM B371-20, ASTM B124/B124M-20, ASTM B135-20 , ISO 197-1:1983 , ISO 13343:2016 , JIS H3250:2019 , EN 12164:2016