2018427 · China/Global Market: HPb57-3, HPb58-3, HPb59-1, HPb59-3 are most common materials used for China brass valves, which are acceptable for most countries in the world, except for those customers have special requirements. HPb57-3, also called China Normal brass, a variant of CW614N brass, is a local industry standard, with little
2018427 · HPb57-3, also called China Normal brass, a variant of CW614N brass, is a local industry standard, with little Fe contents in composition, and lower costs than CW614N. It’s widely used as a standardized material in China and accepted by most global markets and customers. HPb58-3, is a variant of CW617N brass and commonly used for brass
20181027 · Chemical composition of copper alloys（%） Copper series Type Code Cu+Ag P Ag Bi Sb As Fe Ni Pb Sn S Zn O Type 1 copper T1 99.95 0.001 - 0.001 0.002 0.002 0.005 0.002 0.003 0.002 0.005 0.005 0.02 Type 2 copper T2 99.9 - - 0.001 0.002 0.002 0.005 - 0.005 - 0.005 - - Type 3 copper T3 99.7 - - 0.002 - - - - 0.01 - - - - Zero oxygen
Our GB HPb59-3 GB/T 5231 steel products are exported to more than 70 countries and regions overseas and have received good reviews. Application: Processing copper and copper alloy chemical composition and product shape. Heat treated: 1454°C - 1563°C.