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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The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. 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.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. 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. No filler shall be used in making the weld.
ASTM A270 Sanitary (Hygienic) Stainless Steel Tubing and Pipe
Pharmaceutical quality may be requested, as a supplementary requirement. ASTM A Stainless steel tubes are finished in accordance with customer needs regarding dimensional and wall thickness specifications as well as heat treatment for more demanding applications.
Wall thickness tolerance shall not vary more than W270 maximum average of roughness: This abstract is a brief summary of the referenced standard. Ksi MPaMin. ASTM A tubing using inch-pound as the standard unit of measure. Electrolytic polishing of the surface: Customers could specify the maximum roughness of internal surface, external surface and both surface. Octal is located in China recognized as a leading supplier, distributor, and adtm union in providing piping solutions for oil and gas company.
No need extra polishing or smooth ashm.
All materials should supply after hot-treatment. ASTM A sanitary stainless steel pipe shall be noted below points during manufacturing processes:.
Each tube shall be subjected to mechanical tests like reverse flattening test, hydrostatic test or nondestructive electric test. Before this processing, manufacturer could use other ways to polish products. The maximum average of roughness: Surface of rolled products: These ASTM A austenitic stainless steel sanitary tubing intended for use in the dairy and food industry and having special surface finishes.
Methods of detecting intergranular corrosion for the magnetization coefficient. Customers could specify the maximum roughness of internal surface, external surface and both surface.
Pharmaceutical quality may be requested, as a supplementary requirement. Seamless tubes shall be manufactured by a process that does not involve welding at any stage. Filler materials shall be noted added during welding process. 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.
ASTM A270 Standard for Stainless Steel Sanitary Tubing
A chemical analysis of either one length of flat-rolled stock or one tube shall be made for each heat. Combining values from the two systems may result in non-conformance with the standard. In case the ASTM A stainless steel pipe for pharmaceutical quality applications, it is more strict on the chemicals, strengths and size tolerances. Before delivery, all steel pipes should bundled well, and covered by paper, cloths. 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.
Historical Version s – view previous versions of standard.
A chemical analysis of either one length of flat-rolled stock or one tube shall be made for each heat. Welded tubes shall be made using an automated welding process with no addition of filler metal during the welding process.
ASTM A sanitary tubing intended applied in the diary and food industry, bio processing equipment, and having special surface finish.
ASTM A Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
This specification covers tubes in sizes astn to and including 12 in. These ASTM A Tubes supply after mechanical tests like reverse flattening test, hydrostatic test or nondestructive electric test.
Optional supplementary requirements are provided, and when one or more of these are desired, each shall be so stated in the order. Or packed in box by manufacturer. Link to Active This link will always route to the current Active version of the standard. The values stated in either SI units or inch-pound units are to be regarded separately as standard.
All material shall be furnished in the heat-treated condition. The following surface finishes may be specified: Electrolytic polishing of the surface: All material shall be furnished in the heat-treated condition.