How to get high quality alloy steel pipes?

In the last article we introduced what is alloy steel pipe,today i’ll tell you how to get high quality alloy steel pipes?

The biggest advantages of alloy steel pipe

Can be 100% recycled, environmentally friendly, energy-saving, resource conservation, national strategy, national policy to encourage the expansion of the field of application of high-pressure alloy pipe. Of alloy steel pipe total consumption accounted steel in the proportion is only half of the developed countries, to expand the field of use of the alloy steel pipe to provide a wider space for the development of the industry. The future needs of the average annual growth of China’s high-pressure alloy steel pipe long products up to 10-12%.

Alloy seamless steel pipe

SPECIFICATION, STANDARD AND IDENTIFICATION OF ALLOY STEEL PIPES

Alloy Steel pipe contains substantial quantities of elements other than carbon such as nickel, chromium, silicon, manganese, tungsten, molybdenum, vanadium and limited amounts of other commonly accepted elements such as manganese, sulfur, silicon, and phosphorous.

ASTM A335 PIPE SPECIFICATIONS

ASTM A335 P22 pipe

ASTM A335 Pipe Specifications, Seamless Ferric Alloy Steel Pipe for High-Temperature Service

ASTM A335 standard is issued under the fixed designation A 335/A 335M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last re approval. A superscript epsilon  indicates an editorial change since the last revision or re approval.

ASTM A333 PIPE SPECIFICATIONS

ASTM A333 is the Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service.

ASTM A333 alloy steel pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their micro structure.

ASTM A213M-09 STANDARD SPECICATION

ASTM A213 T5b alloy tube

ASTM A213M-09 Standard Specialization for Seamless Ferric and Austenitic Alloy-Steel Boiler, Super heater, Heat Exchange Tubes

ASTM A213M-09 standard is issued under the fixed designation A 213/A 213M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

ASTM A519-89 STANDARD SPECIFICATION

ASTM A519- specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished.

The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required.

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