ASTM A270-03a(2008)e1 - 1.10.2008
 
1. Scope

1.1 This specification covers grades of seamless, welded, and heavily cold worked welded austenitic and ferritic/austenitic stainless steel sanitary tubing intended for use in the dairy and food industry and having special surface finishes. Pharmaceutical quality may be requested, as a supplementary requirement.

1.2 This specification covers tubes in sizes up to and including 12 in. (304.8 mm) in outside diameter.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 Optional supplementary requirements are provided, and when one or more of these are desired, each shall be so stated in the order.

 
2. Referenced Documents

E527-23

Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

Section VIII

Pressure Vessels

SAE J1086

Practice for Numbering Metals and Alloys (UNS)

A262-15(2021)

Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

A1016/A1016M-24a

Standard Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes (Includes all amendments and changes 10/30/2024).

A967-05

Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts

A923-25

Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels

A480/A480M-25b

Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip (Includes all amendments and changes 9/10/2025).

B46.1

Surface Texture (Surface Roughness, Waviness, and Lay)