Energy

ASTM A213/A213M standard, which covers a range of grades of minimum-wall-thickness, seamless, and cold-drawn ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes, including the T9 grade.

EN 10210 structural hollow tube is a hot-rolled hollow structural profile. This tube is widely used in metal welding structures such as building steel structures, offshore platforms, and engineering machinery.

The ASTM A333 Cryogenic pipe is a seamless pipe suitable for low temperature environments.

20# steel pipe, generally 20 seamless steel pipe, the strength is slightly higher than 15 steel, rarely quenched, no temper brittleness.