STAINLESS STEEL FASTENERS – A SYSTEMATIC …
ALLOY STEELS (AISI Type): 4037, 4137 are molybdenum alloy steels that can be heat treated to 150 ksi tensile (1034MPa) and above. Typical uses include hex socket and cap screws and for spline fasteners. FREE-CUTTING STEELS (AISI Type): 1110, 1112, 1113 are low-carbon, free-machining steels used for low-strength nuts that are used in all but ...