ASTM A335 P11 seamless ferritic alloy steel nominal pipe for high temperature, used for heating surfaces of high-pressure boilers, economizers, headers, superheaters, reheaters, petrochemical industry pipes, etc.

ASTM A213 is a standard specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes.

A333GR.6 seamless steel pipe is a metal material widely used in petroleum, chemical industry, electric power and other fields.

25MnG High Pressure Boiler Steel Pipe is a type of steel pipe used in high-pressure boiler applications.

GB 3087 Grade 20 refers to a specific grade of seamless carbon steel boiler and superheater tubes according to the Chinese National Standard GB 3087. These tubes are designed for high-pressure and high-temperature applications, commonly used in boilers and heat exchangers.

DIN 17175 12CrMo195 is a specification that covers seamless tubes of heat-resistant steels. The material 12CrMo195 is a low-alloy steel commonly used for high-temperature applications.

ASTM A335 is the standard specification for seamless ferritic alloy steel pipe for high temperature applications. Different grades (P1, P2, P5, P9, etc.) represent different alloy compositions.

ASTM A334 is a standard specification that covers several grades of seamless and welded carbon and alloy-steel tubes intended for low-temperature service. The grades include Gr1, Gr3, and Gr6.

20G and 2727SiMn alloy pipe is a pipe material with high strength and corrosion resistance, which is widely used in petroleum, chemical, electric power, aerospace and other industries.

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.

4130 is a common composite steel pipe with a very wide range of applications. It is mainly composed of iron, carbon and the addition of other alloying elements such as chromium, molybdenum and silicon to improve its mechanical properties and corrosion resistance.

35CrMo thick wall seamless steel pipe is a commonly used steel pipe material, with many advantages, suitable for various industrial fields.