Stainless steel seamless tube ASTM A269-15 TP304 TP304L TP316L

The ASTM A269 specification covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. Upon completion, all material shall:

• shall 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.
• shall be subjected to the non-destructive electric test or the hydrostatic test

Mechanical properties of 316 grade stainless steels.

Typical physical properties for 316L grade stainless steels.