Our carbon steel straight tube couplers are a practical and versatile solution for connecting tubes in various sizes, ranging from 2 inches to 6 inches. We also offer longer sizes, as indicated in the chart above. Made from standard material, these couplers are designed to fit most makes and models, providing a reliable and durable connection. Sold individually, these couplers are a cost-effective and efficient choice for your tubing needs. With a range of sizes available, our straight tube couplers offer the flexibility and convenience you need for your projects.

Straight Tube Couplers - Carbon Steel

Part Number	Size	Length
32-200	2 Inch	4.5 Inch
32-250	2.5 Inch	4.5 Inch
32-300	3 Inch	5 Inch
*32L-300	3 Inch	6.5 Inch
32-350	3.5 Inch	5.5 Inch
*32L-350	3.5 Inch	7 Inch
32-400	4 Inch	6.5 Inch
*32L-400	4 Inch	8 Inch
32-500	5 Inch	6.5 Inch
*32L-500	5 Inch	8 Inch
32-550	5.5 Inch	6.5 Inch
32-600	6 Inch	6.5 Inch
*32L-600	6 Inch	8 Inch