This standard specifies the terms and definitions, product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificates for high-strength brass alloy rods, wires and thick-walled tubes for valves. , order form (or contract) content and quality commitment. This standard applies to high-strength brass alloy rods, wires and thick-walled tubes for valves.
T/ZZB 0450-2018 history
2018T/ZZB 0450-2018 High strength brass alloy rod, wire and thick-wall tube for tire valve