Standard: API 5CT K55
Wall Thickness: 8mm
Outer Diameter: Customer Specified (Common sizes: 4.5″ to 13 3/8″)
Length: 6m / 12m / Custom
Material: Carbon Steel
Surface: Black Painted / Plain / Threaded Ends
Usage: Well Casing for Oil & Gas Wells
Product Description:
Our API 5CT Casing Pipes are designed and manufactured in full compliance with international oil and gas standards. They are widely used for lining the borehole of oil and gas wells to support the well walls, prevent collapse, and protect formation zones. Made from high-quality carbon or alloy steel, these casing pipes are available in various grades such as J55, K55, N80, L80, and P110 to suit different well conditions and depths.
With precision-controlled wall thickness, strong mechanical properties, and a variety of end finishes (plain end, threaded, or coupling), our casing pipes ensure high performance in both standard and high-pressure applications. Surface treatment includes black painting, anti-corrosion coating, and customization on request.
We offer full-length customization, third-party inspection, and fast delivery to meet the needs of drilling contractors and oilfield service providers globally.
Key Features:
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All specifications products can be customized according to customer requirements
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Product name
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Seamless Oil Pipe
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Process
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Hot rolled and cold drawn
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Standard
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API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444, JIS G3445 DIN 2391, EN10305, EN10210, ASME SA106, SA192, SA210,SA213, SA335, DIN17175, ASTM A179
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Our diameter
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1/8 – 30 inch (10.3-762mm)
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Wall Thickness
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0.049” – 2.5” (1.24- 63.5mm)
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Length
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Random Length, Fixed Length, SRL, DRL
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Steel Grade
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API 5L: GR B, X42, X46, X56, X60, X65, X70 ASTM A53/A106: GR A, GR B, GR C ASME SA106: GR.A, GR.B, GR.C ASME SA192: SA192 ASME SA209M: T1, T1a ASME SA210: GR.A-1, GR.C ASME SA213: T2, T5, T9, T11, T12, T22 ASME SA335: P2, P5, P9, P11, P12, P22, P91 DIN17175:ST35.8, ST45.8, 15Mo3, 13CrMo44
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Surface
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Fusion Bond Epoxy Coating,Coal Tar Epoxy,3PE,FBE,Varnish coating,Bitumen coating,Black Oil coating as per customers requirement
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Treatment
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Heat treatment:Annealed: Bright annealed,Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered.
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Application
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Applicable to the general structure, mechanical structure, water wall panel, economizer, super heater, boiler and heat exchanger with seamless steel tubes, and to transport liquid, gas, oil etc.
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Ready to source high-quality steel products?Our team is here to provide competitive prices,reliable quality, and professional export servicetailored to your needs.
Find answers to common questions about our steel products, quality standards, export process, customization services, and global delivery solutions. Learn more about how FENGSHI INDUSTRY LIMITED supports customers worldwide with reliable steel supply.
FENGSHI INDUSTRY LIMITED specializes in supplying a wide range of steel products, including Stainless Steel Plate/Coil/Pipe/Rod, Carbon Steel Plate/Coil/Pipe, Galvanized Steel Products, PPGI Coil, PPGL Coil, Aluminum Products, Copper Products, Roofing Sheets, and other customized steel solutions to meet different industrial requirements.
FENGSHI INDUSTRY LIMITED is a professional steel supplier based in China, working with reliable production facilities and processing partners to provide high-quality steel products with competitive prices, stable supply capacity, and professional export services.
We strictly control product quality from raw material selection, production, processing, inspection, and shipment. Our steel products comply with international standards such as ASTM, AISI, DIN, EN, and JIS requirements to ensure reliable performance and consistent quality.
Yes. We provide customized solutions based on customers’ specifications, including size, thickness, surface treatment, material grade, cutting, processing, and packaging requirements. Our professional team helps customers find the most suitable steel solutions for their projects.
Our steel products have been exported to more than 80 countries and regions, including Canada, the United Kingdom, Brazil, India, Australia, and many other global markets. We have extensive experience in international shipping and export documentation.
We provide professional export services, including production tracking, quality inspection, secure packaging, and international logistics coordination. Our team works closely with customers to ensure products are delivered safely, efficiently, and on time.
