ASTM A269 Seamless Stainless Steel Tubing is used for low temperature and high temperature services. These pipes could be made from austenitic steel types under electric resistant weld, electric fusion weld or seamless cold drawing mechanisms. The SA269 Tubing can also have different finishes and can be heat treated.
چکیدهبهره وری یک مقوله مهم در زندگی انفرادی و اجتماعی ماست . مفهوم بهره وری در خلال قرون گذشته و بویژه در طی دهه های اخیر تحولات زیادی یافته و در حال حاضر به عنوان یک شاخص که بیانگر سطح زندگی فردی – سازمانی – ملی است مورد
1.1 This specification covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service, as designated in Table 1. 1.2 The tubing sizes and thicknesses usually furnished to this specification are ¼ in. (6.4 mm) in inside diameter and larger and 0.020 in. (0.51 mm) in …
AbstractThis 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. The steel shall conf
1.2 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. 1.3 Mechanical property requirements do not apply to tubing smaller than 1 / 8 in. [3.2 mm] in inside diameter or 0.015 in. [0.38 mm] in thickness.