API 5CT Oil Casing, Oilfield Specification Complete Range of Sizes

Name: API 5CT Oil Casing, Oilfield Specification Complete Range of Sizes
Brand: Shanghai Baori Steel Industries Co., Ltd.
SKU: 2273973565

Shanghai, ChinaShanghai Baori Steel Industries Co., Ltd.

US$800.00-1,000.00

1 Ton

Product profile

After-sales Service

According to Contract

Warranty

1 Year

Type

Seamless

Model NO.

customisation

Material

Steel

Usage

Oil/Gas Drilling

Standard

API5CT

Tubing Outer Diameter

2 3/8''-4 1/2''

Casing Outer Diameter

4 1/2''-20''

Wall Thickness

0.205''-0.635''

Length

R1,R2,R3

Steel Grade

J55/K55/N80/L80/P110/C95/T95/Q125/L80-13cr/P110

Connection Type

Nu/EU/Ij/Stc/Btc/Ltc/Premium Connection

Transport Package

Waterproof Paper Wrapped

Specification

Customized

Trademark

Baori Steel

Origin

China

Key features

High Strength & Integrity: Premium carbon/alloy steel ensures exceptional tensile and crush resistance for deep wells.

Outstanding Corrosion Resistance: Available in L80, C90, T95 grades with FBE/3PE coatings for H2S/CO2 environments.

Full API & ISO Compliance: Strict adherence to API 5CT and ISO standards with API certification marks.

Wide Size Range: Tubing 2 3/8"-4 1/2" and Casing 4 1/2"-20" with various wall thicknesses.

Multiple Steel Grades: Includes J55, N80, L80, P110, C95, T95, Q125, and 13Cr variants.

Diverse Connection Types: Offers NU, EU, IJ, STC, BTC, LTC, and Premium connections.

15+ Years Experience: Over 15 years in steel production with own factory and R&D center.

Global Export Capability: Exported to 50+ countries with stable supply capacity of 200,000 tonnes/year.

Company profile

High Repeat Buyers ChoiceFast DeliveryLow MOQFlexible Customization

Shanghai Baori Steel Industries Co., Ltd.

Shanghai, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤0.54h

AI-Powered supplier vetting

SummaryShanghai Baori Steel Industries Co., Ltd. is a limited company with three employees, offering Spring Steel Cold Coin and a broad range of hardware, building-material, ceramic, timber, automotive, motorcycle, and general merchandise products. It reports flexible customization and one year of export experience, but no ODM, popular-brand OEM, SDK, or new-product launches during the past year. Service coverage is limited: it has no stock, overseas warehouse, showroom, agent, or branch, and serves zero overseas countries according to the provided data. Peak- and off-season lead times are stated as within 15 workdays to one month. Quality-system evidence is incomplete, with zero listed quality-control testing equipment and unknown quality assurance and traceability status. An audit by TÜV Rheinland is recorded, but the audit result is shown as 0 and the report validity ended on 2025-10-14. No customer cases or offline trade-show participation are provided.

After-Sales capabilityThe supplier has 10 qualified service suppliers and accepts FOB, CIF, and CFR quotation terms plus LC and T/T payment terms. Nevertheless, it has no stock, overseas warehouse, showroom, agent, or branch; it has served zero overseas countries in the provided data, and its service corrective/preventive-action mechanism lacks written procedures or records.

R&D capabilityThe supplier launched no new products during the past year and does not provide ODM services, popular-brand OEM services, or an SDK. One R&D engineer is listed, but the stated responsibility is handling product photos, which does not demonstrate substantive product-development capability.

Production capacityThe supplier offers flexible customization and reports lead times ranging from within 15 workdays to one month in both off- and peak-season statements. However, it has only three employees, no in-stock capacity, zero listed quality-control testing equipment, and unknown quality-assurance and traceability status, indicating explicit production and quality-control limitations.

Customization capabilityThe supplier explicitly reports flexible customization for its Spring Steel Cold Coin offering. The provided slices do not specify customization scope, tooling, technical resources, or delivery conditions, but the stated capability is direct evidence of customization availability.

Product Q&A

Q:What is the primary function of oil casing?

To support the wellbore walls, isolate formations, prevent blowouts, and establish a secure pathway for oil and gas extraction.

Q:How should one select the appropriate casing steel grade?

Selection depends on well depth, formation pressure, and corrosive environment. Common grades include N80 (general conditions), L80 (corrosive environments), and P110 (deep wells with high pressure).

Q:What is the difference between American Petroleum Institute threads and special threads?

American Petroleum Institute threads (e.g., STC, BC) offer cost-effective versatility; special threads provide superior sealing, tensile strength, and torsional resistance, suitable for high-pressure gas wells or complex well conditions.

Q:What key parameters are required when ordering casing?

Outer diameter, wall thickness, steel grade, thread type, length, and quantity. Specify whether American Petroleum Institute compliance is required.

Q:How to determine if casing quality meets standards?

Verify American Petroleum Institute certification marks and third-party inspection reports. Inspect physical markings, dimensional accuracy, thread machining quality, and non-destructive testing records.