What types of materials are commonly used for sheet metal parts?

‌Common materials for sheet metal parts include the following:

‌Cold rolled sheet (SPCC): This is the most basic sheet metal material with a wide range of uses, good surface quality, high dimensional accuracy, good mechanical and process properties, low cost, and easy processing.

‌Electrogalvanized sheet (SECC): With cold rolled steel coil as the base material, after degreasing, pickling, electroplating and other treatments, it has excellent corrosion resistance and decorative appearance, and is commonly used in electronic products and home appliances.

‌Hot-dip galvanized sheet (SGCC): By heating the cold rolled sheet in a molten zinc solution to form a zinc layer, it has good corrosion resistance and is often used for sheet metal parts with higher requirements.

‌Hot rolled sheet (SPHC): It is a low-end material that is easy to rust, but has a large thickness and is often used to make hinge products.

Stainless steel (SUS304, SUS430, etc.): It has good anti-rust and anti-corrosion properties and is often used to make appearance parts, such as refrigerator door shells and gas stove tops.

‌Al-Zn-Coated Steel Plate‌: The surface is smooth and beautiful, and it is often used to make appearance parts, such as the steel plate on the back of the refrigerator.

‌Aluminum plate or aluminum alloy plate‌: Low density, corrosion resistance, often used to make refrigerator water trays and evaporator fins, etc.

‌Tinplate‌ (SPTE): Cold-rolled low-carbon thin steel plate coated with commercial pure tin on both sides, with the characteristics of corrosion resistance, high strength and good ductility, often used to make masking sheets and punched parts.

‌Al-Zn-Coated Steel Plate‌ (SGLD): A multi-phase alloy material containing rich aluminum and rich zinc, with excellent corrosion resistance, heat resistance and formability, often used in places requiring good reflectivity, such as the reflective plate inside the oven.

The selection of these materials is mainly based on the specific functions and requirements of the product, including the function of the product, the use environment and cost factors. For example, stainless steel is often used to make parts that need to be exposed to the outside for a long time due to its excellent rust and corrosion resistance; while aluminum plate or aluminum alloy plate is often used for product parts that need to be lightweight due to its light weight and high strength.