AISI 4140 Steel Round Bar Sheet Plate, JIS SCM440, DIN 1.7225
Its equivalent grade is JIS SCM440 and DIN 1.7225. The properties and composition of 4140 steel round bar sheet plate as below. AISI 4140 Steel Round Bar Sheet Plate Supply Range. Type. Specification. Surface. Round Bar. Diameter: 8–3000mm; Other specifications support customization.