Stainless steel cable trays are important equipment for cable management in industrial and construction fields, with excellent comprehensive performance and wide application scenarios.
In terms of materials, they mainly use 304 and 316 stainless steel. 304 stainless steel contains chromium-nickel alloy, which has strong resistance to atmospheric corrosion and is suitable for dry or slightly humid environments; 316 stainless steel, due to the addition of molybdenum, has more prominent resistance to acid, alkali and seawater erosion, making it suitable for harsh scenarios such as chemical industry and maritime affairs.
They have remarkable characteristics: first, excellent corrosion resistance, enabling long-term use in humid, dusty or chemically corrosive environments with a service life of decades; second, high structural strength, which can stably carry multiple sets of cables, with excellent impact and pressure resistance and not easy to deform; third, flexible installation, which can realize splicing and turning through accessories to adapt to complex wiring paths; fourth, convenient maintenance, with smooth surface not easy to accumulate dirt, meeting the requirements of clean places such as food and medicine.
Applications cover multiple fields: in electrical engineering, they are used in factories and commercial buildings to protect power and control cables from damage; in chemical and food industries, they ensure the safe operation of cables in harsh environments by virtue of corrosion resistance; in infrastructure such as railways and airports and on ships, they provide stable support for communication and monitoring cables to ensure the continuous operation of the system, and are core components of various wiring systems.
Total Product Parameters
|
Parameter Category |
Specific Description |
|
Length |
Common standard lengths are 2m, 3m, 4m, 6m; tray structures are mostly 2m per section, and grid structures are mostly 3m per section |
|
Width |
Common specifications: 50mm, 100mm, 150mm, 200mm, 300mm, 400mm, 500mm, 600mm, 800mm, 1000mm, among which 200mm, 300mm and 400mm are more common |
|
Height |
Common specifications: 50mm, 100mm, 150mm, 200mm; 50mm is suitable for scenarios with few cables, and 100mm is used frequently |
|
Plate Thickness |
≥1.0mm when width ≤150mm; ≥1.2mm when 150-300mm; ≥1.5mm when 300-500mm; ≥2.0mm when 500-800mm; ≥2.2mm when ＞800mm |
|
Protective Coating Thickness |
Electroplating ≥12μm, hot-dip plating ≥65μm, plastic spraying ≥50μm, fireproof coating ≥500μm (measurable with a thickness gauge) |
|
Fireproof Coating Appearance |
Dark gray uniform viscous fluid without agglomeration |
|
Surface Drying Time of Fireproof Coating |
Surface drying time ≤2 hours |
|
Adhesion Strength of Fireproof Coating |
Adhesion strength ≥0.78Mpa to ensure firm adhesion of the coating |
|
Fire Resistance Classification |
Class NH1 (≥30min, suitable for general distribution rooms); Class NH2 (≥45min, suitable for data centers); Class NH3 (≥60min, suitable for substations) |
|
Grounding System Parameters |
Grounding resistance ≤0.05Ω; cross-connecting conductor cross-sectional area: ≥4mm² copper braid when width ≤200mm, ≥6mm² copper braid when ＞200mm |
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