ASTM A320/A320M-26

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Anotace textu normy ASTM A320/A320M-26 :

This specification covers alloy steel bolting materials for pressure vessels, valves, flanges, and fittings for low-temperature service. Each alloy shall conform to the prescribed chemical composition requirements. The material, as represented by the tension specimens, shall conform to the requirements as to tensile properties such as tensile strength, yield strength, elongation, and hardness. The material shall meet the prescribed impact energy absorption requirements and the recommended test temperature. Mechanical tests shall be conducted on the material, namely: impact testing, tension testing, and hardness testing.

Keywords:

additional elements, austenitic stainless steel, bolts—steel, chromium-molybdenum steel, bolting components—steel, markings on fittings, nickel-chromium-molybdenum alloy steel, pressure vessel service, stainless steel bolting, starting material, steel bars—alloy, steel bolting, steel flanges, steel valves, temperature service applications—low,, ICS Number Code 21.060.01 (Fasteners in general),77.080.20 (Steels)