ASTM A269 TP316 Stainless Steel Tubing

ASTM A269 / A269M - 15a

Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

The ASTM A269 specification covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. All material shall be furnished in the heat-treated condition.

Upon completion, all material need:

• To be furnished in the heat-treated condition.
• Conform to the chemical composition requirements.
• Different mechanical test requirements that includes, flaring test, flange test, hardness test, and reverse flattening test are presented.
• To be subjected to the non-destructive electric test or the hydrostatic test.
• Grade TP 321 shall have a titanium content of not less than five times the sum of the carbon and nitrogen content and not more than 0.70 %.
• Grade TP 348 shall have a columbium plus tantalum content of not less than ten times the carbon content and not more than 1.10 %.
• 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.

ASTM A269 TP316 Tube Specification

Material Grades

INOX ASTM A269 Seamless Tube

ASTM A269 TP 304 Welded Tube