Sheet metal fabrication stamping die materials must have good plasticity. It is necessary to have permanent deformation under external force without being destroyed. For cold-worked parts, it is necessary to have good cold plasticity, such as stamping parts for automobile parts; for hot-worked parts, it is necessary to have good thermoplasticity, such as hot forging spring steel plate, hot riveting rivet and so on.
Sheet metal fabrication stamping die materials should have Good solderability. Many automotive sheet metal parts are welded together by spot welding, oxygen welding, arc welding or gas shielded welding, so sheet metal parts are required to have good welding performance. This is especially important in car repair and repair, and the weldability of the material is high and the cracking tendency is small.
Sheet metal fabrication stamping die materials is Low price, economical and practical. For any component of the car, economics should be considered when the working conditions are met. Can use ferrous metal, do not use non-ferrous metals; can use non-ferrous metals, never use precious metals. The life of automotive sheet metal components should be compatible with the life of other components of the car.
Sheet metal fabrication stamping die materials is Good chemical stability. Car covers are mostly used in open air environments, often in contact with water and steam, especially like mufflers, often working at higher temperatures and corrosive gases. This requires that the sheet metal parts must have good chemical stability, which requires corrosion resistance at room temperature, strong rust resistance, and requires no corrosion or deformation under high temperature or sun exposure.
Sheet metal fabrication stamping die materials is Good sheet size accuracy and intrinsic quality. The dimensional accuracy and intrinsic quality of the sheet are processed on the sheet metal. Great, especially for molded parts