GB/T 38725.2-2020Spoolable reinforced plastic pipe—Part 2: Fiber reinforced thermoplastic coiled pipe (English PDF)

1 Scope

This part of GB/T 38725 specifies the terms and definitions of fiber-reinforced thermoplastic continuous pipes (hereinafter referred to as continuous pipes) and joints

Definition, product structure, classification and marking, materials, general requirements, requirements, test methods, inspection rules, signs, packaging, transportation and storage.

This section applies to oil and gas gathering and transportation, alcohol injection, water injection, and sewage transportation in the petroleum and petrochemical industry, brine transportation in the salt chemical industry, and hot spring water transportation.

Delivery, mine slurry transportation, etc.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article

Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 699 high quality carbon structural steel

GB/T 1033.1-2008 Determination of density of non-foamed plastics. Part 1.Dipping method, liquid pycnometer and titration

GB/T 1033.2-2010 Determination of density of plastic non-foam plastics Part 2.Density gradient column method

GB/T 1038-2000 Plastic film and sheet gas permeability test method Differential pressure method

GB/T 1040.2-2006 Determination of tensile properties of plastics Part 2.Test conditions for molded and extruded plastics

GB/T 1220 stainless steel rod

GB/T 2828.1 Counting sampling inspection procedures Part 1.Sampling plan for batch-by-batch inspection retrieved by acceptance quality limit (AQL)

GB/T 2918 Standard environment for plastic sample condition adjustment and testing

GB/T 2965 titanium and titanium alloy bar

GB/T 3624 titanium and titanium alloy seamless tube

GB/T 3682.1-2018 Plastic Thermoplastic Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR)

Determination of Part 1.Standard Methods

GB/T 6111-2018 Determination of internal pressure resistance of thermoplastic piping systems for fluid transportation

GB/T 6284-2006 General method for the determination of moisture in chemical products Dry weight loss method

GB/T 6671-2001 Determination of longitudinal shrinkage of thermoplastic pipes

GB/T 8806 Determination of the dimensions of plastic parts of plastic piping systems

GB/T 9341-2008 Determination of plastic bending properties

GB/T 14976 Stainless steel seamless steel pipe for fluid transportation

GB/T 15560-1995 Test method for hydraulic burst and pressure resistance of plastic pipes for fluid transportation

GB/T 16604 Polyester industrial filament

GB/T 18369 glass fiber roving

GB/T 18474-2001 Test method for cross-linking degree of cross-linked polyethylene (PE-X) pipes and fittings

GB/T 19278-2018 General terms and definitions of thermoplastic pipes, fittings and valves

GB/T 19466.6-2009 Differential scanning calorimetry (DSC) of plastics. Part 6.Oxidation induction time (isothermal OIT) and oxygen

Determination of chemical induction temperature (dynamic OIT)

GB/T 21445.2-2008 Design and operation of subsea production systems in the oil and gas industry. Part 2.For subsea and sea […]