Boltport offers made to order AISI 4140 fasteners in varieties of bolts, screws, stud bolts, studs, threaded rods, nuts, washers, pins & other bolting components, in hot forged condition. AISI 4140 fasteners are produced from premium bar stock or forging stock to various ASTM and International material specifications. AISI 4140 fasteners posseses high bolting strength and used for high temperature, high pressure applications. Automotive manufactures often refer to SAE Grade 4140 for ordering fasteners.
AISI 4140 is a low alloy steel mainly comprising chromium, molybdenum and manganese. Alloy steel 4140 has high fatigue strength, impact resistance, toughness, ductility, abrasion and torsional strength. AISI 4140 is generally supplied in hardened and tempered condition. AISI 4140 is a great choice for manufacturing high tensile fasteners. 10.9 grade high tensile bolts, screws are produced from AISI 4140 alloy steel. This alloy steel grade is widely used for oil patch applications.
Find information on this alloy grade such as chemical composition, mechanical properties, feasible fastener products, related material specifications and applications.