AISI 4140 (Cr–Mo) Alloy steel High strength, toughness, fatigue + wear resistance Shafts, spindles, crankshafts, heavy-duty parts Dynamic loading + heat-treated parts 304 Stainless (18/8) Austenitic ...
Atmospheric corrosion of steel alloys arises from the electrochemical interaction of metallic iron with water films, oxygen and airborne pollutants. At exposed surfaces, microscopic anodic regions ...