ASTM A249, ASTM A269 Specification
ASTM A249 and ASTM A269 Specifications indicate tube material is Austenitic Stainless Steel grades, which is wide used in stainless steel families, TP304, TP304L, TP316, TP316L, TP347, TP347H, TP321, TP321H, 904L grade is ideal material for various applications, …