Ready-to-Dispatch Stainless Steel & Alloy Pipes - ERW Oil Casing Pipes Available Now
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Product Highlights
- API 5CT Certified Quality: Meets strict API 5CT PSL1/PSL2 standards for J55, N80, L80, P110 grades.
- Sour Service Compatibility: Compliant with NACE MR0175/ISO15156 for H2S resistance in sour environments.
- Wide Size & Thread Range: OD 114.3-508mm, WT 5-16mm with NUE, EUE, BTC, and other thread types.
- 2-Year Warranty Coverage: Comprehensive 2-year warranty covering mechanical defects and structural integrity.
- Complete Accessory Supply: Includes couplings, pup joints, and drill collars for seamless integration.
- Flexible Customization: Supports full customization, minor customization, and design-based options.
- High Supply Capacity: Supply ability of 1000 tons per month with 20-day delivery time.
- 100% Product Inspection: Rigorous visual and functional inspection for all finished products.
Product Attributes
- Customization
- Available
- After-sales Service
- Continuous After-Sales
- Warranty
- 2
- Model NO.
- 304L
- Type
- Welded
- Technique
- Cold Drawn
- Material
- Carbon Steel
- Surface Treatment
- Hot Rolled
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry
- Section Shape
- Round
- Selling Units
- Single Item
- Single Gross Weight
- 10.000kg
- Tolerance
- 5%1%
- Single Package Size
- 100X100X100.Cm
- Grade
- API5CT
- Standard
- ASTM
- Supply Ability
- 1000 Ton/Tons Per Month
- Invoicing
- by Theoretical Weight
- Alloy or Not
- Non-Alloy
- Delivery Time
- 20 Days
- Oiled or Non-Oiled
- Non-Oiled
- Transport Package
- Pipes Rust-Free, Clean, with End Protectors; Bundl
- Specification
- OD 1/2" - 24" (13.7mm - 610mm), Wall Thickness 1.2
- Trademark
- USI
- Origin
- Hunan, China
- Production Capacity
- 1000 Ton/Tons Per Month
Product Images of Ready-to-Dispatch Stainless Steel & Alloy Pipes - ERW Oil Casing Pipes Available Now
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Product Description
Our API 5CT oil casing pipes are engineered to deliver exceptional performance and durability in demanding oil and gas well environments. Manufactured from high-grade carbon steel, these pipes are cold-drawn and welded to meet strict industry standards, providing reliable structural support for wellbores while resisting corrosion and pressure. Available in a full range of sizes (OD 114.3mm-508mm, WT 5-16mm) and thread types (NUE, EUE, STC, BTC), they are suitable for both sweet and sour service applications, including compliance with NACE MR0175/ISO15156 for H2S resistance. We also offer a complete selection of accessories such as couplings, pup joints, and drill collars to ensure seamless integration into your well construction operations. Backed by our 2-year warranty, our casing pipes are designed to maximize well integrity and operational efficiency for your oilfield projects.
| Product: | Casing Pipe, Oil Casing, API Casing, Well Casing, Casing |
| Application: | Used for oil casing and tubing in oil wells as well as sidewall |
| Size: | OD: 114.3mm-508mm |
| WT: 5-16mm | |
| LENGTH: R1, R2, R3 | |
| Pipe Standard: | API 5CT PSL1/PSL2 J55,K55,N80-1,N80-Q, |
| API 5CT PSL1/PSL2 L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125 | |
| Thread: | NUE, EUE, STC, LTC, BTC, XC, HYDRILL CS |
| Special Service | Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156 |
| Accessories: | Pup Joint, Coupling, Drill Collar, Crossover etc. |

















About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI259014". Items marked "" are certified.
Company Profile
Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe and pipe fittings designing, manufacturing, stocking and exporting in China. As one of the leading manufacturer of steel pipe products in China, Union Steel Industry Co., Ltd are committed to providing one-stop service to customers around the world.
Union Steel Industry Co., Ltd has leading technology of steel pipe production and research at home and abroad, advanced and complete testing facilities. We strictly in accordance with the ISO 9001 quality management system for on-site management, SGS, BV, TUV, ABS, LR, GL, DNV, CCS, RINA, RS and other authoritative TPI organizations. For years, steel pipe products supplied by Union Steel Industry have been widely applied in engineering projects such as oil and gas extraction, water transportation, urban pipeline network construction, offshore & onshore pipeline construction, mining industry, chemical industry and power generation industry pipeline construction. Our partners are throughout Southeast Asia, the Middle East, Europe, Africa, South America, Oceania, and more than 100 countries and regions. We also provide many steel pipe products and services to the worlds top 500 petroleum and gas, EPC companies, such as: PetroChina, Schlumberger, ADNOC, NNPC, ENI, NICO, EGPC, OXY, CCE, OGDCL, PEMEX, etc.
Adhering to our principle of"quality first, win-win cooperation", we are confident to supply customers with high quality products at very competitive prices. Union Steel Industry Co., Ltd will always be you the most professional and reliable business partner.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- No. 380, Huijin Industry Park, Furong Road, Changsha City Hunan Province, Changsha, Hunan, China
-
Plant Area
- 160 square meters
-
Number of Employees
- 18
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Tianjin Port;Shanghai Port;
-
Minimum Order Quantity
- 2 Tons
-
Supply Chain Partners
- 100
Our Production Capability & Technical Expertise
-
Main Products
- Steel Pipe, Seamless Steel Pipe
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2023-01-18
-
Export Year
- 1 years
-
Main Markets
- Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 15
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Cooperated with Fortune 500
- No
FAQ
- What are the available sizes and wall thicknesses?
- The pipes are available in Outer Diameters (OD) ranging from 114.3mm to 508mm and Wall Thicknesses (WT) from 5mm to 16mm.
- Are these pipes suitable for sour service applications?
- Yes, they are suitable for both sweet and sour service applications and comply with NACE MR0175/ISO15156 for H2S resistance.
- What thread types are available for these casing pipes?
- We offer a full range of thread types including NUE, EUE, STC, LTC, BTC, XC, and HYDRILL CS.
- What is the warranty period for the oil casing pipes?
- We provide a 2-year warranty for all our casing pipes to ensure reliability and operational efficiency.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 2 tons.
- What are the payment terms accepted?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- Can I get custom designs or samples for these pipes?
- Yes, we offer full customization, minor customization, and customization from samples or designs.
- What is the typical delivery time?
- The standard delivery time is 20 days. During peak season, the lead time may extend to one month.
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