Pipe Inspection
Metal pipes mainly consist of steel pipes, while plastic pipes include single-material plastic pipes (such as rigid polyvinyl chloride pipes, polyethylene pipes, cross-linked polyethylene pipes, modified polypropylene pipes, and engineering plastic pipes based on acrylonitrile-butadiene-styrene terpolymer, etc.) and composite pipes (including aluminum-plastic composite pipes, galvanized steel pipe lined with plastic composite pipes, etc.).
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Product Introduction
Testing items
Density, melt mass flow rate, thermal stability, volatile matter content, moisture content, carbon black content, carbon black dispersion, pigment dispersion, resistance to gas components, resistance to rapid crack propagation, resistance to slow crack growth, static hydraulic strength, elongation at break, longitudinal shrinkage rate, ring stiffness, impact performance, ring flexibility, oven test, creep ratio, static hydraulic test, drop hammer impact, hygiene performance, environmental stress cracking test, oxidation induction time test, Vicat softening temperature test, component analysis, component content detection, etc.
Common pipe materials
Water supply pipe materials: The common water supply pipe materials currently available on the market are mainly metal pipes and plastic pipes. Metal pipes mainly consist of steel pipes, while plastic pipes include single-material plastic pipes (such as rigid polyvinyl chloride pipes, polyethylene pipes, cross-linked polyethylene pipes, modified polypropylene pipes, and engineering plastic pipes based on acrylonitrile-butadiene-styrene terpolymer, etc.) and composite pipes (including aluminum-plastic composite pipes, galvanized steel pipe lined with plastic composite pipes, etc.).
Drainage pipe materials: There are steel pipes, cast iron pipes, socket-prestressed reinforced concrete pipes and socket-self-stress reinforced concrete pipes, GPR polyester resin pipes, HOBAS centrifugal cast glass fiber reinforced polyester resin pipes, polyethylene pipes, PVC plastic pipes, etc.
Heating and gas pipes: There are galvanized steel pipes, CPVC plastic pipes, ABS plastic pipes, polyethylene pipes, etc.
Wire conduit: There are magnetic pipes, aluminum-plastic composite pipes, etc.
Rainwater pipes: There are iron pipes, cast iron pipes, aluminum-plastic composite pipes, PE plastic pipes, etc.
Testing standards
GB/T 6111-2018 Fluid Transport Plastic Pipe Materials - Determination of Internal Pressure Resistance Performance
GB/T 9647-2015 Plastic Pipe Materials - Determination of Ring Stiffness
GB/T 14152-2001 Test Method for Resistance to External Impact of Plastic Pipe Materials - Clockwise Rotation Method
GB/T 8804.1-2003 Determination of Tensile Properties of Plastic Pipe Materials - Part 1: General Test Methods
GB/T 8804.2-2003 Determination of Tensile Properties of Plastic Pipe Materials
GB/T 8804.3-2003 Determination of Tensile Properties of Plastic Pipe Materials - Part 3: Polyethylene Pipe Materials
GB/T 13021-2018 Test Method for Melt Flow Rate of Polyethylene Pipe Materials and Pipe Fittings
GB/T 17391-2008 Test Method for Thermal Stability of Polyethylene Pipe Materials and Pipe Fittings
GB/T 18252-2000 Determination of Long-Term Static Hydraulic Strength of Thermoplastic Materials in Pipe Form Using Extrapolation Method for Plastic Pipe Systems
GB/T 228.1-2021 Tensile Test of Metallic Materials - Part 1: Room Temperature Test Methods
GB/T 229-2020 Summer Impact Test Method for Metallic Materials
GB/T 27699-2023 Technical Specifications for Internal Inspection of Steel Pipelines
GB/T 12606-2016 Seamless and Welded (Except Arc Welding) Ferromagnetic Steel Pipes - Automatic Circular Perimeter Leakage Detection for Longitudinal and/or Transverse Defects
GB/T 11345-2013 Non-Destructive Testing of Welds - Ultrasonic Testing - Technology, Inspection Grades and Evaluation
GB/T 34349-2017 External Detection Method for Internal Corrosion of Gas Transmission Pipelines
GB/T 34350-2017 External Detection Method for Internal Corrosion of Oil Transmission Pipelines
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
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