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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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.

All materials should supply after hot-treatment. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. The following surface finishes may be specified: Optional supplementary requirements are provided, and when one or more of these are desired, each shall be so stated in the order.

These Atm A austenitic stainless steel sanitary tubing intended for use in the dairy and food industry and having special surface finishes. The maximum average of roughness: Pharmaceutical quality may be requested, as a supplementary requirement. The asm stated in either SI units or inch-pound units are to be regarded separately as standard. Adtm could specify the maximum roughness of internal surface, external surface and both surface.

ASTM A Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

All material shall be furnished in the heat-treated condition. Aa270 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. Historical Version s – view previous versions of standard.

Mechanical tests includes negative flattening test, hydrostatic or nondestructive electric test. Customers could specify the maximum roughness of internal surface, external surface and both surface. Stainless tube manufacturing processes ASTM A sanitary stainless steel pipe shall be noted below points during manufacturing processes: ASTM A sanitary tubing intended applied in the diary and food industry, bio processing equipment, and having special surface finish.

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The following surface finishes may be specified: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. These ASTM A Tubes supply after mechanical tests like reverse flattening test, hydrostatic test or nondestructive electric test.

ASTM A270 Sanitary (Hygienic) Stainless Steel Tubing and Pipe

This abstract is a brief summary of the referenced standard. Or packed in box by manufacturer. A chemical analysis of either one length of flat-rolled stock or one tube shall be made for each heat.

Link to Active This link will always route to the current Active version of the standard. Methods of detecting intergranular corrosion for the magnetization coefficient. Combining values from the two systems may result in non-conformance with the standard. Ksi MPaMin. 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. ASTM A tubing using inch-pound as the standard unit of measure.

Wall thickness tolerance shall not vary more than ASTM A sanitary stainless steel pipe shall be noted below points during manufacturing processes:. Welded tubes shall be made using an automated welding process with no addition of filler metal during the welding process.

A chemical analysis of either one length of flat-rolled stock or one tube shall be made for each heat. Before delivery, all steel pipes should bundled well, and covered by paper, cloths.

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In case the ASTM A stainless steel pipe for pharmaceutical quality applications, it is more strict on the chemicals, strengths and size tolerances. The maximum average of roughness: Pharmaceutical quality may be requested, as a supplementary requirement. We stocks a wide range of industry standard sizes of both welded and seamless stainless steel pipes. Sanitary stainless steel pipe and tube shall be capable of passing corrosion tests in the as-shipped condition.

Filler materials shall be noted added during welding process. A little part of flat or steel pipe shall be taken for chemical analysis. This specification covers tubes in sizes up to and including 12 in.

ASTM A Sanitary (hygienic) Stainless Steel Tube/Pipe Specification

Each tube shall be subjected to mechanical tests like reverse flattening test, hydrostatic test or nondestructive electric test. Seamless tubes shall be manufactured by a process that does not involve welding at any stage.

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. Welded tubes shall be made using an automated welding process with no addition of filler metal during the welding process. Electrolytic polishing of the surface: No need extra polishing or smooth treatment. In case specified in the order, intergranular corrosion tests shall be performed by manufacturer on specimens representative of the as-shipped condition.

Seamless tubes shall be manufactured by a process that does not involve welding at any stage.