Mining

ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing,either hot-finished or cold-finished.

The material of A234 carbon steel equal diameter tee is carbon steel, which complies with ASTM A234 standard. Its manufacturing process includes seamless and hot rolling. Since the connection method of A234 carbon steel equal diameter tee is butt welding, it is also called butt welding tee.

A steel pipe reducer is a component used in the pipelines to reduce its size from large to small bore in accordance to the inner diameter.

Scaffolding, also called scaffold or staging,[1] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other man made structures.