ASTM A320 L43 Stud Bolts
ASTM A320 L43 Stud Bolts We are a professional manufacturer of A320 Grade L43 stud bolt in china ASTM A320 Grade L43 bolts and threaded studs are manufactured from AISI 4340 material and are also quenched and tempered. L43 bolts can be as large as 4” in diameter, whereas Grade L7 does not exceed 2-1/2” diameter. L43 strength and chemical properties are virtually identical to L7 but may perform more favorably with regard to Charpy impact testing. ASTM A320 Grade L43 is a standard material specification for alloy steel bolting materials for pressure vessels, valves, flanges, and fittings for low [...]