T/CNHA 1018-2019 Thread-type steel pipe joint
T/CNHA 1018-2019 Thread-type steel pipe joint
Basic Information
Scope
Scope: This standard specifies the product classification, technical requirements, inspection and testing, packaging, and marking of threaded pipe fittings made from welded steel pipes or seamless steel pipes with a nominal diameter of DN6—DN150. This standard applies to external threaded pipe fittings and internal threaded pipe fittings used in fluid transportation fields such as gas, fire protection, water supply, and HVAC. Main technical content: This standard specifies the product classification, technical requirements, inspection and testing, packaging, and marking of threaded pipe fittings made from welded steel pipes or seamless steel pipes with a nominal diameter of DN6—DN150. This standard applies to external threaded pipe fittings and internal threaded pipe fittings used in fluid transportation fields such as gas, fire protection, water supply, and HVAC.