astm a320 l43 Stud Bolts | Roll Fast

Roll Fast is a manufacturer, supplier, and exporter of ASTM A320 L43 stud bolts and hex nuts in India. It includes fasteners perfect for lower temperatures. The 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, unless otherwise specified, the thread series is specified on a fastener larger than 1” in diameter. These are composed of stainless or alloy steel, and cover hardened, rolled, forged bars, studs, bolts, and screws.