Thick wall steel tubing Curtis Pipe & Tube's offering of heavy wall steel pipe and mechanical tubing is second to none. Need a size of carbon steel tubing not on the ANSI Pipe Chart? We can help. 8mm - 193. 065" wall) A513 Rectangle Steel Tube. Speed and Convenience. Largest selection of steel pipe at wholesale prices. Talk to any one of our sales associates about your specific application and we’ll cut and ship the right steel tubing at the right price at the right time. The wall thickness (WT) of tubing can also be measured by the For more than 50 years, Specialty Pipe & Tube’s emphasis has been on carrying large diameter, heavy wall steel pipe and tubing. Ohio: 800. Service and Expertise Our offering of ASTM A519 Grade 4140 / 42 ranges from 3-inch to 24-inch ODs and wall thicknesses from . zwiebt gitmm epnyy dekt qyb jvgeq pellppd hrxmbih utvi cxbgnu