This standard specifies the requirements for piping materials, piping production, piping installation, inspection and testing, insulation coating, marking, packaging and transportation of ultra-low temperature (below -55°C) refrigeration systems for fishing vessels. This standard applies to the production and installation of ultra-low temperature refrigeration system piping on fishing boats.
SC/T 8127-2009 Referenced Document
CB/T 3747-1995 Quality requirements for marine aluminum alloy welded joints
CB/T 3790-1997 Rules for marine pipes processing technology
GB 5237.1-2004 Wrought aluminium alloy extruded profiles for architecture Part 1:Untreated profiles
GB/T 2102 Acceptance, packaging, marking and quality certification for steel tubular products*, 2022-10-14 Update
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 229 Metallic materials—Charpy pendulum impact test method*, 2020-09-29 Update
GB/T 241 Metal materials-Tube.Hydrostatic pressure test
GB/T 244 Metallic material—Tube—Bend test method*, 2020-06-02 Update