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American Petroleum Institute 5CT OCTG Stc Coupling and Threads for Casing and Tubing
US$10.00-500.00
1 Piece
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableType
RoundStandard
API 5CTModel NO.
API 5CTComposition
Carbon SteelTechnique
Hot RolledShape
RoundSurface Treatment
CoatedSpecial Use
Oil&GasApplication
DrillingMaterial
Carbon SteelTransport Package
Steel StrappingSpecification
1.66-4-1/2"Trademark
LFMOrigin
ChinaProduction Capacity
100000PCS/YearKey features
API 5CT Standard Compliance: Products strictly adhere to API 5CT standards for casing and tubing couplings.
Wide Size Range: Available in various sizes from 4-1/2 to 20 inches with specific OD and weight specs.
Specialized Applications: Suitable for oil & gas, drilling, sour service, H2S corrosion resistant, and deep well use.
Carbon Steel Construction: Made from high-quality carbon steel with hot rolled technique and coated surface treatment.
Multiple Coupling Types: Offers STC, LTC, and BTC casing couplings to meet diverse engineering requirements.
Fast Quotation Service: Quotes provided within 24 hours of inquiry, with priority handling for urgent requests.
Flexible Shipping Options: Supports ocean, air, and door-to-door express shipping to ports near your location.
Custom Material Options: Material customization available, specifically offering Carbon Steel options for clients.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-08-17Nearest Port: Tianjin, Shanghai, QingdaoAverage Response Time: ≤7.12hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryShandong Light Fir Machinery Equipment Co., Ltd. is a limited company based in Dongying City, Shandong, China. It functions as both a trading company and a manufacturer, specializing in a variety of machinery equipment. The company holds ISO 9001 certification but lacks documented after-sales service procedures. Financial data indicates consistent capacity over the past three years, while the company demonstrates OEM capabilities for well-known brands despite limited R&D innovation. Production is supported by two lines and a small team of R&D and quality control staff.
Supplier typeThe supplier is a limited company functioning as both a trading company and a manufacturer located in Shandong, China.
CertificationsThe supplier holds ISO 9001 certification, indicating a commitment to quality management standards.
After-Sales capabilityThe supplier lacks documented procedures or records for handling after-sales services, indicating weak service capability.
R&D capabilityThe supplier lacks significant innovation capability, evidenced by no new products in the past year and limited R&D staff.
Customization capabilityThe supplier offers customization from samples and designs, and provides OEM services for known brands but does not offer ODM services.
Product Q&A
Q:What is the packing method?
A:
Regular packing.
Q:What is the delivery time?
A:
Normally, about 30-45 days.
Q:What are the shipping methods?
A:
Ocean shipment to the port near from you; Air shipment to the shipment near from your company; Door to door service by international express.
Q:What are the payment options?
A:
In general, we accept T/T.
Q:When can I get the price?
A:
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will detail with your inquiry priority.
Send Inquiry
*To:
Shandong Light Fir Machinery Equipment Co., Ltd.
Shandong Light Fir Machinery Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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