A135 Grade A & B Tubing
Valmont Tubing produces round electric resistance welded (ERW) steel tubing to meet ASTM specifications A135 Grade A and Grade B, often used in the conveying of gas, vapor, water or other liquids. Valmont produces pipe and tubing sizes up to 12" NPS (12.75" OD) and in wall thicknesses up to 0.280" nominal that meet the requirements called out for in A135.
For a complete listing of all tubing sizes produced by Valmont, please visit our Steel Tubing Product Catalog.
Below are the chemical and physical testing analysis that differentiates A135 Grade A from Grade B.