Oil and gas

STPG370 is a low-carbon steel pipe material commonly used in some low-pressure pipeline systems.

ASTM A335 P11 P12 P22 steel pipe is a low carbon steel with specific chemical composition and mechanical property requirements, and its hardness and strength can be improved through different heat treatment methods.

ASTM A134/ASME SA134 Carbon Steel funnels are reasonable for bowing, for flanging, for welding, and so on.

API 5L is an industry standard for steel pipes that transfer oil, gas and water across long distances. It comes in a variety of grades, from GR.