Undersea pipeline

A213 Grade T24 Steel tubes and pipes, to be used to respond to high-efficiency industrial waste incineration boilers, have been demand to maintain both high quality & high performance.

‌ASTM A691 2-1/4Cr Grade Steel Pipe‌ is an electric fusion welded steel pipe specially designed for high temperature and high pressure conditions.

Q345B seamless steel pipe‌ is a low-alloy high-strength structural steel with excellent mechanical properties and welding properties. It is widely used in construction, machinery, petroleum, chemical industry and other fields.

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.