Oil and gas

S235JRH is a designation for a specific grade of steel used in the manufacture of spiral steel pipes.

ASTM A178 Gr.C heat exchanger tubes are widely used in heat exchangers in petroleum, chemical, electric power, metallurgy and other industries. Especially in some medium-low temperature, medium-low pressure heat exchange situations.

ASTM A106 Grade B is a seamless carbon steel pipe that is commonly used for high-temperature service in various industries, such as oil and gas, petrochemical, power generation, and refineries.

A335 Grade P23 Pipe is a low alloy carbon steel (Cr-Mo) that is self quench in air, where the welding adquire high hardnees and residual stress not recomended to put it directly in services that demand critical conditions.