Steel Pipe Supplier
OCTG Distributor | Galvanized Pipe Manufacturer
SPI (Steel Pipe Inc) is located in China, recognized as a professional steel pipe and galvanized pipe supplier, OCTG distributor, and manufacturer in providing integrated steel pipe and tube solutions for oil and gas companies.
Since 1998, SPI is a rapidly growing mid-size company with the best-quality steel products, dedicated employees, fast delivery, optional payment terms, and superior customer service.
Moreover, we are facing numerous customers in the global market with the help of seven overseas production and sales station.
Equipped with multi-base manufacturing facilities, over 85 highly knowledgeable employees, warehouse space over 200,000 square feet across the south and north of China mainland.
SPI supplies the best steel products including API 5L Welded Steel Pipe, API 5L Seamless Steel Pipe, Carbon Steel Pipe, CRA Clad & Lined Pipe, Stainless Steel Pipe, Galvanized Pipe, Steel Casing Pipe API 5CT, OCTG Tubing, API 5DP Drill Pipe, etc.
With high-quality steel pipe, professional customer service, and fast turnaround time, we have agreements with a large number of steel pipe stockists and OCTG manufacturers for different specifications and materials to ensure that we can support your urgent requirement at the earliest time.
We are representing Chinese top steel pipe manufacturers TPCO, Hengyang Valin, Baosteel. All of these steel pipe manufacturers we are working with were API approved.
API 5L Welded Steel Pipe
Steel Pipe Type: ERW/LSAW/SSAW
Standard: API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80
Product Specification Level: PSL1 and PSL2
Outer Diameter: 1/2inch—120inch
Wall Thickness: SCH10 to SCH160
Length: 6m,12m, or as per customer’s requirements
End: Plain End, Beveled End, Treaded
Form: Round Pipes, Black Pipes, Galvanized Steel Pipe
End Protection: Plastic Caps
API 5L Seamless Steel Pipe
Steel Pipe Type: SMLS
Standard: API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80
Specification Level: PSL1 and PSL2
Outer Diameter: 1/2” to 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16 inches, 18 inches, 20 inches, 24 inches, 26 inches to 40 inches.
Wall Thickness: SCH10 to SCH160
Length: 6m,12m, or as per customer’s requirements
End: Plain End, Beveled End, Treaded
Surface: Natural, Varnished, Black painting, FBE and 3PE, Cladding and Lined, etc
Carbon Steel Pipe
Steel Pipe Type: SMLS/WELDED PIPE/HOLLOW SECTION
Standard: ASTM A53 B, ASTM A106 Gr. B, ASTM A179, ASTM A192, ASTM A333 and API 5L Gr B to X70, JIS G3454, JIS G3456, JIS G3461, EN10216-1, EN 10208
Outer Diameter: 1/8” to 60” (10.3mm to 1500mm)
Wall Thickness: SCH10 to SCH160
Length: 6m,12m, or as per customer’s requirements
Shapes: Round, Half Round, Square, Rectangular, or Custom shape carbon steel pipe.
Surface: Blacking painting, Varnished, FBE, 3pp, 3PE/3LPE, Polyethylene layers coating.
CRA Clad & Lined Pipe
The CRA clad or lined pipes supplied can be sized from 1″ (DN 25) to 100″ (DN 2500) with a minimum CRA layer of 2.5 mm in thickness and a maximum length of 15 meters. The CRA layer is metallurgically bonded (clad) or mechanically bonded (lined) to the internal or external surface of the steel pipe.
CRA cladding or lining material options in:
Stainless material in 304, 304L, 316, 316L, 310S, 317L, 321
Alloy Steel Material in alloy 825, alloy 625, S31803, S31254
Hastelloy Material C276, (B575 N10276), C22, etc.
Using Condition: urban centralized heat supply/warm room/coal mine/petroleum/chemical and other anti-corrosion insulation fields.
Stainless Steel Pipe
Standards: ASTM A321, ASTM A213, ASTM A269, ASME SB677
Duplex stainless steel pipe standards: ASTM A789/ ASME SA 789. ASTM A790/ ASME SA 790
Material: AISI 304, 304L, 316, 316L
Outer Diameter: 5.8 – 508mm
Wall Thickness: 0.3 – 50mm
Finishing: Annealed and Pickled / Polished (320 Grit)
Using Condition: Automobiles/Construction industries/Military and Nuclear Weapons/Household Equipment
Steel Casing Pipe API 5CT
OCTG Standard: API 5CT
OCTG Grades: J55/K55, N80-1, N80Q, C90, T95, P110, Q125, and 13Cr Casing
OCTG Range of Sizes: 5 1/2” to 20”
Outer diameters: 114.30mm – 508mm
Wall Thickness: 5.21mm – 22.22mm
Length: R2, R3
OCTG Ends Type: BTC (Buttress Thread Coupling), LTC (Long Buttress Thread Coupling), Premium connection.
OCTG Tubing, API 5CT Tubing
OCTG Standard: API 5CT
OCTG Grades: J55/K55, N80, C90, C95, P110
Range of Sizes: 1.05”, 1.315”, 1.66”, 1.9”, 2 3/8”, 3 1/2” and 4 1/2”
End Type: BTC, UN, EUE, Premium ends that could completely replace the tubing premium connection of Vam, Tenaris, Hunting, TSH, etc.
Length: R2, R3
Manufacture Method: Hot Rolled.
Surface Treatment: Black Painting.
OCTG Application: Oil & Gas Transportation.
API 5DP Drill Pipe
OCTG Standard API, Grade: E75, X95, G105, S135
OCTG Connection: IF, FH, REG, NC
Range of Sizes: 2 3/8” to 5 1/2”
Range of Thickness: 6.5mm to 12.7mm
Length: R1, R2, R3
Yield strength: Min 517 Mpa
Tensile strength: Min 724 Mpa
OCTG Pipe body material: High-quality alloy seamless pipe of E75
Thread treatment: Phosphorization or copper plating
