Tuva Lu steel cable tray national standard thickness

The national standard thickness for Tuva Lu steel cable trays varies by tray width, with minimum plate thickness ranging from 1.0 mm to over 3.0 mm according to the latest T/CECS 31-2023 standard.Latest National Standard (T/CECS 31-2023)The T/CECS 31-2023 steel cable bridge engineering technical specification is the most recent national standard for steel cable trays, often referred to as the 2017 bridge standard. It specifies minimum allowable plate thickness based on tray width as follows :Tray width ≤ 300 mm: minimum thickness 1.2 mmTray width 300–500 mm: minimum thickness 2.0 mmTray width 500–800 mm: minimum thickness 3.0 mmTray width > 800 mm: minimum thickness 3.0 mm or more This standard is primarily used for energy-saving and environmentally friendly cable bridges.Commonly Used Standard (JB/T10216-2013)The JB/T10216-2013 standard, also known as the 2013 bridge standard, remains widely used for traditional steel cable trays. Its minimum thickness specifications are slightly different :Steel bridge width ≤ 150 mm: minimum thickness 1.0 mmWidth 150–300 mm: minimum thickness 1.2 mmWidth 300–500 mm: minimum thickness 1.5 mmWidth 500–800 mm: minimum thickness 2.0 mmWidth > 800 mm: minimum thickness 2.2 mm or morePractical NotesThe thickness selection depends on tray width and load requirements, ensuring structural integrity and compliance with national standards.These standards are harmonized with other technical specifications for steel cable trays, including NEMA VE 1 and IEC-61537, which provide guidance on load/span designations and material selection .Manufacturers often choose thicknesses slightly above the minimum to account for corrosion protection, galvanization, and mechanical strength . By following these standards, engineers and contractors can ensure that Tuva Lu steel cable trays meet safety, durability, and regulatory requirements for electrical installations.