ASTM A249 PDF

1 This specification is under the jurisdiction of ASTM Committee A01 on Steel, 3 For referenced ASTM standards, visit the ASTM website, , or. Oshwin carries a complete line of ASTM A TP Stainless Steel Welded Tubes also in customized size & standard, available in both. What is the difference between ASTM A, A, A, and A Stainless steel tubing.

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Historical Version s – view previous versions of standard. Work Item s – proposed revisions of this standard. This guide specifies standard specification for asgm welded tubes and heavily cold worked welded tubes made from the austenitic steels with various grades intended for such use as a boiler, superheater, heat exchanger, or condenser tubes.

ASTM A Specifications | Penn Stainless Products

Heat and product analysis shall conform to the requirements as to chemical composition for carbon, manganese, phosphorous, sulfur, silicon, chromium, nickel, molybdenum, nitrogen, copper, and others. All materials shall be furnished in the heat-treated condition in accordance with the required solution temperature and quenching method.

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When the final heat treatment is in a continuous furnace, the number of tubes of the same size and from the same heat in a lot shall be determined from the prescribed size of the tubes. The material shall conform to the prescribed tensile and hardness properties such as tensile strength, yield strength, elongation, and Rockwell hardness number. The steel shall undergo mechanical tests such as tension test, flattening test, flange test, reverse-bend test, hardness test, and hydrostatic or nondestructive electric test.

The grain size of different grades of steel shall be determined in accordance with the test methods. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; a429 full text of the standard itself must be referred to for its use and application.

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

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Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Difference between ASTM A, A, A, and A Stainless steel tubing

Combining values from the two systems may result in non-conformance with the standard. This standard does not purport to address all of the a29 concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Link to Active This link will always route to the current Active version of the standard.