ASTM A269 Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM A269 covers grades of nominal-wall thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service. The tubing sizes and thicknesses usually furnished to this specification are 1/4 in.(6.4 mm) in inside diameter and larger and 0.020 in.(0.51 mm) in nominal wall-thickness and heavier.

Referenced Documents
A 262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
A 480/A 480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate,Sheet, and Strip
A 632 Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service
A 1016/A 1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E 527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
ASME B31.3 Process Piping
SAE J1086 Practice for Numbering Metals and Alloys (UNS)

Ordering Information
1.Quantity (feet, metres, or number of lengths),
2.Name of material (seamless or welded tubes),
3.Grade,
4.Size (outside diameter and nominal wall thickness),
5.Length (specific or random),
6.Optional requirements (heat treatment; hydrostatic or nondestructive electric test),
7.Test report required,
8.Specification designation, and year of issue,
9.Special requirements and any supplementary requirements selected.

Manufacture
The tubes shall be made by the seamless or welded process.
At the manufacturer’s option, tubing may be furnished either hot finished or cold finished.