In the field of electrical machinery and equipment manufacturing, sheet metal processing serves as the fundamental procedure for product forming. The selection of sheet metal materials directly determines product performance, service life and manufacturing costs. Located in Funing, Yancheng, Jiangsu Xinwang Electric Co., Ltd. is a high-tech enterprise and provincial-level "Specialized, Refined, Unique & Innovative" small and medium-sized enterprise specializing in the R&D and production of high and low voltage complete switchgear, cabinets, chassis and precision sheet metal parts. The company has accumulated in-depth insights and practical experience in this regard.
Why Do Different Applications Call for Different Materials?
Through years of precision sheet metal production, Xinwang Electric has concluded that there is a wide range of available sheet metal materials. Commonly used varieties include cold rolled steel sheets (SPCC), hot rolled steel sheets (SHCC), galvanized steel sheets (SECC, SGCC), copper (brass, red copper, beryllium copper), aluminum sheets (6061, 5052, 1060, 6063, etc.), as well as stainless steel (mirror finish, brushed finish, matte finish). These materials differ greatly in tensile strength, corrosion resistance, electrical conductivity, formability and cost. Therefore, selecting materials based on specific product functions is the core principle of scientific material selection.
Below is the material selection logic for different application scenarios matching Xinwang Electric’s core product lines:
1. Chassis, Cabinets and Distribution Boxes: Cold Rolled & Galvanized Steel Sheets as Mainstream Materials
For indoor distribution boxes, equipment chassis and cabinets, Xinwang Electric prioritizes cold rolled steel sheets (SPCC) and galvanized steel sheets (SECC, SGCC). Cold rolled steel sheets feature low cost and excellent formability, suitable for electroplating and painting processes, with thickness generally controlled below 3.2 mm. Galvanized steel sheets come with inherent rust resistance, making them ideal structural components requiring surface coating treatment. These materials balance structural rigidity and cost efficiency, making them the optimal choice for standardized electrical cabinets.
2. High & Low Voltage Complete Switchgear: Balancing Mechanical Strength and Protection Performance
High and low voltage complete switchgear imposes stricter requirements on cabinet mechanical strength and protection performance. For sheet metal material selection of such products, Xinwang Electric adopts thicker hot rolled steel sheets (SHCC, thickness ≥3.0 mm) according to load-bearing requirements, or high-strength stainless steel to withstand heavy external force and pressure. For equipment intended for long-term operation in humid and corrosive environments, SUS304 stainless steel stands out as a reliable option thanks to its outstanding corrosion resistance.
3. Electrical Connection and Conductive Components: Copper as the Primary Choice
For components of electrical components involving conductive connection, earthing, shielding and heat dissipation, Xinwang Electric mainly adopts copper materials (red copper, brass, etc.). Copper boasts superior electrical and thermal conductivity, and its surface can be treated with nickel plating, chromium plating or left untreated. Despite its relatively high cost, copper is irreplaceable in scenarios with strict requirements for electrical conductivity.
4. Cable Trays and Bus Ducts: Material Selection Subject to Service Environment
Material selection for cable trays and bus ducts shall be comprehensively judged based on installation environments. Cold rolled or hot rolled steel sheets with lower costs can be adopted for conventional indoor environments. For outdoor, humid or corrosive locations, Xinwang Electric recommends stainless steel or galvanized steel sheets to guarantee long-term operational reliability and safety.
Professional Support from Xinwang Electric
Founded in 2013, Jiangsu Xinwang Electric Co., Ltd. is situated in Funing Economic Development Zone, Yancheng City, with a modern production base covering over 23,000 square meters. The company keeps pursuing technological innovation in electrical cabinets and distribution boxes. Covering cold rolled steel sheets, galvanized steel sheets, stainless steel, copper and aluminum, Xinwang Electric leverages professional sheet metal processing capabilities and extensive material selection experience to provide customers with accurate material selection suggestions and high-quality customized precision sheet metal parts, tailored to different product applications, service environments and cost budgets.
