Products & Services
As a leading manufacturer and supplier to the petroleum industry, Lincoln Manufacturing has delivered the products and services that demanding oil and gas operations need most in order to stay productive, efficient, and ultimately competitive – for over 30 years.
Lincoln’s quality procedures are established under the guidance of the American Petroleum Institute (API) Specification Q1. Lincoln Manufacturing is licensed to manufacture and monogram products meeting API Specifications 5CT (Accessories, Couplings & Threading), API 5L (Line Pipe Couplings) and API Specification 7-1 (Drill Stem Subs and Threading for Rotary Shouldered Connections).
Conformance to API Specifications is carefully managed by a highly skilled team of quality assurance and quality control Lincoln professionals.
Adherence to strict API Specifications helps to ensure part-to-part product uniformity and consistency with complete traceability and documentation reporting to those who count on Lincoln Manufacturing the most, our customers.
LTC – Long Threaded Connection
STC – Short Threaded Connection
BTC – Buttress Threaded Connection
Our precision couplings are manufactured to half specification standards as published and in accordance with API 5CT and its most recent edition. Achieving this standard in manufacturing assures the user of a true fit coupling for every coupling make up, minimizes material stack up issues.
The material used is milled as domestic seamless, manufactured to the highest standards of API. We ensure all testing and material certifications are conforming to industry standards and customer defined requirements and control of specialty processes:
Mechanical Test Including Tensile Strength
Chemical Properties Control
Sulfide Stress Cracking Test (for Material Grades in C90 or T95)
Size Tolerances, Od, Wall Thickness, Length and Straightness
Threads Control, Threads Quantity Per Inch, Threads Angle
Product Specification Level (Psl-2 or Psl-3)
OUR SERVICES INCLUDE:
Full length threading
Coupling buck on and torque
Swedge and up-setting pipe
Storage before and after manufacturing
Rail access inbound and outbound
Access to warehouse in most major fields
NDT (Non-Destructive Testing) Wet Mag, UT, EMI
Customized pipe tally and identification
Real-time, accurate, inventory status.