Oil Industry Pipes

Drill pipes
Outer diameter 2 3/8 inches - 6 5/8 inches (60.3 mm - 168.3 mm)
Wall thickness 0.280 inches - 0.545 inches (7.1 mm - 13.8 mm)
Length Range 30 ft - 45 ft (9.1 m - 13.7 m)
Weight Range 6.65 lb/ft - 27.7 lb/ft (9.9 kg/m - 41.2 kg/m)
Grade Range E75 - S135 (E - X)
Connection type Range NC26 - NC50 (Internal Flush, External Upset)
Tensile strength Range 100 ksi - 150 ksi (689 MPa - 1034 MPa)
Yield strength Range 80 ksi - 135 ksi (552 MPa - 931 MPa)
Internal pressure Range 7,500 psi - 12,500 psi (52 MPa - 86 MPa)
Torque capacity Range 13,000 ft-lb - 26,000 ft-lb (17.6 kN-m - 35.2 kN-m)
Make-up torque Range 80% - 100% of minimum yield strength
Internal coating Range bare, zinc phosphate, or other proprietary coatings
External coating Range bare, phosphating, or other proprietary coatings
Hardbanding Range tungsten carbide, casing-friendly alloys, etc.
Thread compound Range API or premium-grade thread compound
Inspection standards API 5DP, DS-1, NS-2, or other proprietary standards
Casing pipes
Material steel alloys such as carbon steel or stainless steel
Length 30 to 50 feet (9 to 15 meters) per joint
Diameter typically from 4.5 to 20 inches (11.4 to 50.8 centimeters)
Wall thickness Also varies depending on the well's depth and geology, typically from 0.19 to 0.5 inches (0.48 to 1.27 centimeters)
Connection type Threaded or coupled ends, with various types of threads such as API round thread or buttress thread
Grade H40, J55, K55, N80, L80, C90, T95, P110, and Q125
Surface finish coated with a rust inhibitor such as black oxide or galvanized zinc
Length of thread 2 inches (5.08 centimeters) on each end of the pipe
Weight typically ranging from 10 to 150 pounds per foot (14.9 to 223.7 kilograms per meter)
Tensile strength 60,000 to 150,000 pounds per square inch (413.7 to 1034.2 megapascals)
Impact strength withstand a minimum of 20 foot-pounds (27.1 joules) of energy
Corrosion resistance coated with a layer of epoxy or polyethylene to prevent corrosion from exposure to fluids in the well
Tubing pipes
Size 2 3/8 inches to 4 1/2 inches in diameter
Length 30 feet to 40 feet long
Material Carbon steel, alloy steel or stainless steel
Thread External upset or non-upset, depending on application
Wall Thickness Ranges from 0.190 to 0.435 inches
Weight Varies from 4.7 pounds to 16.6 pounds per foot
Grade Ranges from H40 to Q125, with higher grades having higher yield strength and resistance to pressure
Connection Type Generally API connections (such as API 5CT), with premium connections (such as Tenaris Blue) also available
Coating Depending on the application, may be bare, phosphate-coated, or coated with a protective layer, such as epoxy or zinc
Line pipes
Material Usually made of carbon steel, with grades such as API 5L
Diameter Typically between 2 to 48 inches (50 to 1,220 mm)
Wall thickness Varies based on the pipeline's pressure requirements
Length Varies but can be up to 120 feet (36.5 meters)
Coating Applied to protect against corrosion and other environmental factors. Common coatings include fusion-bonded epoxy, polyethylene, and polypropylene.
Joint type Can be either welded or threaded
Pressure rating Varies based on the pipeline's application and specific requirements.
Temperature range Typically between -20°C to 121°C (-4°F to 250°F)
End connections Can be flanged, threaded, or welded
Standards and codes Must conform to various industry and regulatory standards and codes, such as API 5L and ASME B31.4/B31.8
Pipe Material Carbon Steel
Pipe Grade API 5CT J55, K55, N80, L80, P110, C95, T95
Pipe Size 2 3/8 inches to 7 inches (outer diameter)
Pipe Length Range 2 (8.53m - 9.75m) and Range 3 (11.58m - 12.80m)
Pipe End Threaded, Beveled, or Plain End
Wall Thickness 0.190 inches to 0.675 inches
Connection Type API NUE, EUE, STC, LTC, BTC
Internal Coating Epoxy, Varnish, or None
External Coating Black or Hot Dipped Galvanized
Certification API 5CT, ISO 9001:2015, QMS 2019
Application Stabilization of wellbores and maintaining borehole integrity in oil drilling and production operations
Size 1/2" - 72"
Pressure Class 150 - 2500 lbs
Material Carbon steel, stainless steel, alloy steel
Flange Facing Type Raised face (RF), flat face (FF), ring type joint (RTJ)
Flange Facing Finish Smooth, serrated, spiral serrated
Coating Galvanized, black oxide, phosphate, epoxy, Teflon
Bolt Hole Type Drilled, threaded
Bolt Size 1/2" - 2"
Bolt Material Carbon steel, alloy steel, stainless steel
Gasket Type Full face, ring type, spiral wound, metal jacketed
Temperature Range -29°C to 538°C
Application Oil and gas industry, petrochemical industry, chemical industry, power generation, water treatment