Our Koppel Steel operation offers an extensive line of seamless tubular products. These products are manufactured at Koppel's plant located in Ambridge, Pennsylvania (near Pittsburgh). Koppel is a premier producer of seamless oil country tubular goods and line pipe products used in the exploration, production and transmission of oil and natural gas. 

View the seamless process flowchart

Oil Country Tubular Goods
Production tubing is available in carbon and alloy grades in diameters ranging from 2 3/8 inches to 4 1/2 inches. Our seamless production tubing is available as a threaded and coupled product as well as plain end with a premium upset for a proprietary premium thread. Our production tubing products are manufactured to API and proprietary specifications. 

Production Tubing Performance Properties   PDF

Casing products are available in carbon and alloy grades in diameters of 4 1/2 inches and 5 inches. Our casing products are manufactured to API specifications. 

Casing Performance Properties   PDF

Semi-finished drill pipe is available in carbon and alloy grades in diameters ranging from 2 3/8 inches to 4 1/2 inches. Our seamless drill pipe can be ordered as green tube or as upset and heat-treated to API 5D grades. 

Coupling stock is available in carbon and alloy grades in diameters ranging from 2.2 inches to 5.0 inches. Our coupling stock is manufactured to API specifications. 

Line Pipe 
Line pipe products are available in carbon and micro-alloyed grades in nominal sizes ranging from 1 1/2 inches to 4 inches (1.9 inch to 4.5 inch O.D.). Our line pipe products are manufactured to various industry specifications, typically API 5L Grade B through X60. Higher strength material may be inquired. 

Line Pipe Performance Properties   PDF

Standard Wall Pipe 
Standard wall pipe products are available in carbon grades in nominal sizes ranging from 1 1/2 inches to 4 inches (1.9 inch to 4.5 inch O.D.). 

Mechanical Tubing 
Mechanical tubing products are available in carbon and alloy grades in diameters ranging from 1.9 inches to 5.0 inches. 

For more information, contact the sales representative for your location.