Oil and gas

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.

4130 is a common composite steel pipe with a very wide range of applications. It is mainly composed of iron, carbon and the addition of other alloying elements such as chromium, molybdenum and silicon to improve its mechanical properties and corrosion resistance.

A691 1-1/4CR alloy steel EFW pipe is commonly used in high temperature, high pressure and corrosive environments.

ASTM A213 T91, T12, T11 alloy pipe is a ferritic and austenitic alloy steel seamless steel pipe used in boilers, superheaters and heat exchangers.