Marine engineering

ASTM A333 Grade 3 (A333 GR3) is a specification for low-temperature carbon steel seamless pipes.

The slotted casing pipes using in oil exploration can prevent 99% sand, decrease 80% of oil well heavy maintenance, as well increase the strength of the oil well, integrality and stability of keeping sand off.

A213 Grade T122 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.

S31000 steel pipe is a stainless steel alloy with excellent high temperature resistance and corrosion resistance. It is a type of austenitic stainless steel.