460×128×110mmBasic size
Process characteristics：weight: 10% lighter than forged steel; cost: 15% lower than forged steel; product features: being equipped for the products of high-end customer — JMC Ford, and application of U.S. system.
Material requirements：material designation: QT880-5; tensile strength of the body ≥880 Mpa; elongation: ≥5%; hardness: HB250-HB310; strengthening process: undercut fillet rolling + journal quenching.