ASTM A213 alloy steel pipe is a seamless steel pipe specially designed to work in high temperature and high pressure environments.

ASTM A106 Grade B seamless steel pipe is a specification for seamless carbon steel pipe intended for high-temperature service.

GB5310-Seamless steel pipe for high-pressure boilers is a kind of seamless steel pipe specially used for high-pressure boiler manufacturing.

Oil casing is a pipe used in oil and natural gas wells, and its standards usually cover the material, size, manufacturing process, inspection and test.

Boiler tubes are specialized tubes designed for use in boilers, which are vessels used to heat water and generate steam for various industrial processes, heating applications, and power generation.

Oil pipelines are pipelines that transport crude oil and natural gas from oil and gas formations to the surface after drilling.