Hexagonal Inside and Outside Round Steel Tube

Hexagonal Inside and Outside Round Steel Tube Quick Detail:   Material: 20# 10# Grade: BS, JIS, GB, DIN, ASTM, API, Shape: Hexagonal  Wall thickness: 2-50mm Length: up to 12m, or according to customer's requirement. Outer diameter: Round: 5-420mm   Diameter and wall thickness could be at customer's request. Technology:…