ASTM A270 PDF
L. L. Surface Finish in accordance with ASME B Elements. S S S S (C) Carbon, max. ASTM A/AM: Standard Specification for Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing. ASTM A, 3A standards and most user specifications. Our tubing is manufactured from the finest quality raw materials made exclusively to. Associated Tube.
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Sanitary stainless steel pipe and tube shall be capable of passing corrosion tests in the as-shipped condition. Octal is located in China recognized as a leading supplier, distributor, and manufacturer union in providing piping solutions for oil and gas company. ASTM A sanitary tubing asrm applied in the diary and food industry, bio processing equipment, and having special surface finish. Pharmaceutical quality may be requested, as a supplementary requirement.
A chemical analysis of either one length of flat-rolled stock or one tube shall be made for each heat. Electrolytic polishing of the surface: Each tube shall be subjected to mechanical tests like s270 flattening test, hydrostatic test or nondestructive electric test. Surface of rolled products: We stocks a wide range of asm standard sizes of both welded and seamless stainless steel pipes.
All materials should supply after hot-treatment. Welded tubes shall be made using an automated welding process with no addition of filler metal during the welding process. Wall thickness tolerance shall not vary more than ASTM A sanitary stainless xstm pipe shall be noted below points during manufacturing processes:.
The maximum average of roughness: The following surface finishes may be specified: The following surface finishes may be specified: 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.
Longitudinally polished finish shall be performed on the inside surface only while a circumferential polished finish shall be done on either the inside surface, outside surface, or both. No filler shall be used in making the weld.
A chemical analysis of either one length of flat-rolled stock or one tube shall be made for each heat. This specification covers tubes in sizes up to and including 12 in. Before this processing, manufacturer could use other ways to satm products.
Mechanical tests includes negative flattening test, hydrostatic or nondestructive electric test.
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Welded tubes shall be made using an automated welding process with no addition of filler metal during the welding process. Customers could specify the maximum roughness of internal surface, external surface satm both surface. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for ast use and application. Link to Active This link will always route to the current Active version of the standard.
Seamless tubes shall be manufactured by a process that does not involve welding at any stage. In case the ASTM A stainless steel pipe for pharmaceutical quality applications, it is more strict on the chemicals, strengths and size tolerances.
ASTM A270 Standard for Stainless Steel Sanitary Tubing
A little part of flat or steel pipe shall be taken for chemical analysis. Stainless tube manufacturing processes ASTM A sanitary stainless steel pipe shall be noted below points during manufacturing processes: Historical Version s – view previous versions of standard.
No need extra polishing or smooth treatment. ASTM A Sanitary stainless steel tubing specification ASTM A sanitary hygienic stainless steel tubing is the standard specification for the welded seamless, and heavily cold worked welded austenitic and ferritic stainless steel sanitary tubing.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Methods of detecting intergranular corrosion for the magnetization coefficient. These ASTM A Tubes supply after mechanical tests like reverse flattening test, hydrostatic test or nondestructive electric asym. Longitudinally polished finish shall be performed on the inside surface only while a circumferential polished finish shall be done on either the inside surfaceoutside surface, or both.
Pharmaceutical quality may be requested, as a supplementary requirement. Optional supplementary requirements are provided, and when one or asfm of these are desired, each shall be so stated in the order.
ASTM A Sanitary (hygienic) Stainless Steel Tube/Pipe Specification
Electrolytic polishing of the surface: Customers could specify the maximum roughness of internal surface, external surface and both surface. All material shall be furnished in the heat-treated condition. This abstract is a brief summary of the referenced asym. ASTM A tubing using inch-pound as the standard unit of measure. Ksi MPaMin. The values stated in either SI units or inch-pound units are to be regarded separately as standard.