Oil and gas

ASTM A242 is a specification for high strength low alloy structural steel pipes used in construction & other applications.

API 5L X65 PSL 1 line pipe adopts special anti-corrosion coating and alloy elements, which can effectively resist the erosion of various corrosive media and harsh environments.

ASTM A554‌ is a stainless steel welded pipe standard used in mechanical engineering. It is suitable for stainless steel welded pipes for machinery that require surface quality, mechanical properties or corrosion resistance.

Oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after completion.