Oil and gas

A672 Pipe specification covers electric-fusion-welded steel pipe with filler metal added, fabricated from pressure vessel quality plate of several analyses and strength levels and suitable for high-pressure service at atmospheric and lower temperatures.

ASTM A423 Grade 1 seamless steel pipe is a seamless steel pipe produced in accordance with ASTM A423 standards, and its quality grade is Grade 1.

ASTM A672 B70 carbon steel EFW (electric arc furnace smelting) pipe is a stainless steel pipe that complies with the American ASTM standard. It is mainly used for the transportation of media such as steam, water, oil and other media in high temperature and high pressure environments. This kind of pipe has a high carbon content, good strength and corrosion resistance, and is suitable for long-term use in various harsh environments.

Tubing is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete.