Hanging boards are core support fittings used in high-voltage transmission lines and fiber optic cable installations. Designed specifically for securing ADSS/OPGW optical cables or conductors, they ensure stable suspension in challenging weather conditions. Handan Jinmai Fastener Manufacturing Co., Ltd., a professional power hardware manufacturer, leverages the comprehensive industrial chain of the Yongnian Industrial Base in Hebei Province to offer a full range of custom hot-dip galvanized hanging board solutions. These products are suitable for applications such as transmission towers and substations. Using pre-twisted wire or bolted construction, they provide wind and earthquake resistance for optical cables and conductors, meeting the needs of projects across various voltage levels, both domestically and internationally.
1. High-Strength Structural Design
Forged from Q235 carbon steel or 45# steel and stamped using precision dies, it boasts a breaking load exceeding 70kN, meeting the mechanical strength requirements of national standards such as GB/T 2317.
2. Long-Term Corrosion Resistance
The surface is hot-dip galvanized (zinc layer thickness ≥ 86μm) and has passed the ISO 1461 salt spray test. It is suitable for highly corrosive environments such as coastal areas and industrial areas, with a service life exceeding 30 years.
3. Safety and Reliability
A unique anti-slip groove design and pre-twisted wire interlocking technology prevent cable wear. The fully rotatable structure compensates for line deflection and reduces stress concentration.
4. Customization and Compatibility
We support customization of non-standard dimensions, hole positions, and materials (such as stainless steel). We are compatible with optical cables and conductors ranging from 10mm to 50mm in diameter, and provide fast 3D proofing services.
Handan Jinmai utilizes a fully digitalized production system:
1. Material Pretreatment: After cutting, steel is shot blasted to remove rust and enhance coating adhesion.
2. Precision Forging: Forging is performed on a 10,000-ton hydraulic press to eliminate internal pores.
3. Heat Treatment: A quenching and tempering process adjusts the hardness to HRC 28-32.
4. Automated Galvanizing: High-temperature zinc immersion (450°C) and passivation seal provide dual protection.
5. Quality Assurance: 100% magnetic particle inspection and sample tensile testing are performed, complying with the DL/T 768 standard for electrical hardware.
Material: Q235B carbon steel / 45# steel / optional stainless steel
Processing standards: GB/T 2317, DL/T 768, ISO 9001
Applicable cable diameter: Φ10mm-50mm
Galvanized coating thickness: ≥86μm (average)
Failure load: 70kN-120kN (by model)
Operating temperature range: -40°C to +80°C
Customization lead time: 15-30 days (depending on complexity)
Handan Jinmai Fastener Manufacturing Co., Ltd. has been deeply engaged in the power hardware industry for over a decade. Leveraging comprehensive production capabilities and strict quality control, we provide highly reliable hanging boards and customized solutions to customers worldwide. Our products have been widely used in key projects such as the State Grid Corporation of China and China Southern Power Grid, and are exported to over 20 countries and regions across Southeast Asia, the Middle East, and Africa.
Get your exclusive plan now:
📧 Email: [email protected]
📱 WhatsApp/WeChat: +86 13831001495
📍 Address: South of Dongmingyang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province
We have recommended some of our Related products to you. I hope you will be interested.
