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Cable Tray Coating Specification Table

Cable trays are manufactured in various materials and coatings, including pre-galvanized steel, hot-dip galvanized steel, stainless steel, powder-coated steel, and aluminum-zinc-magnesium alloys, with dimensions standardized according to international and national standards. Coating and Material SpecificationsPre-Galvanized Steel: Meets ASTM A653 standards with G90 zinc coating for corrosion protection.

Hot-

Dip Galvanized Steel: Coated according to ASTM A123 for enhanced durability in industrial environments. Stainless Steel: Available in AISI 304, 316, and 316L grades, offering high corrosion resistance, especially in chlorinated or aggressive environments.

Powder-

Coated Steel: Pre-treated and coated to IEC standards, providing additional protection and aesthetic finish. Aluminum-Zinc-Magnesium (Alu-Zinc + Mg): Offers excellent corrosion resistance with self-healing properties on cut edges, suitable for highly aggressive environments.

HRCA and CRC

A Steel: Hot-rolled and cold-rolled close-annealed steel conforming to IS2062 and IS513 standards, respectively.

Standards Compliance

Cable trays are manufactured in accordance with: NEMA VE 1 – Metallic Cable Tray SystemsNEMA VE 2 – Installation GuidelinesIEC 61537 – Cable Tray Systems and Cable Ladder SystemsASTM Standards – A123, A653, B633, A1008, A1011 for steel and zinc coatings. Dimensions Table (Typical Examples)Tray TypeHeight (H) mmWidth (W) mmLength (L) mmMaterial/CoatingZN100tlG501003000Alu-Zinc / AISI 304ZN200tlG751503000Hot-Dip GalvanizedZN300tlG1002003000Pre-Galvanized SteelZN450tlG1503003000Stainless Steel 316LZN500tlH2004003000Powder-Coated SteelNote: The above table represents typical dimensions; actual tray profiles may vary depending on manufacturer and project requirements.

Additional Features

Rung Spacing: Ladder-type trays typically have 150–230 mm spacing to support cables and maintain bend radius. Ventilated vs Solid Bottom: Ventilated trays allow heat dissipation; solid trays are used where aesthetics or protection from dust is required. Accessories: Includes bends, tees, elbows, drop-outs, reducers, and covers compatible with the tray system.

Summary

Cable trays are available in multiple materials and coatings to suit environmental and mechanical requirements. Dimensions and profiles are standardized, and compliance with NEMA, IEC, and ASTM standards ensures safety, durability, and compatibility across installations. Proper selection of material, coating, and tray type is essential for long-term performance and corrosion resistance.

Cable Tray Coating Specification Table

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In accordance with its continuous impro-vement policy, Legrand reserves the right to change the specifications and illus-trations without notice. All illustrations, descriptions and technical information

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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