The standard outlines detailed specifications for steel folding cots commonly used in institutional and residential areas where space optimization is necessary. It defines the required dimensions, materials, fabrication techniques, surface treatments, performance evaluations, and packaging protocols to ensure safety, durability, and ease of handling. This standard is essential for manufacturers, suppliers, and buyers seeking dependable quality and consistent performance in steel folding cots.
Overview
The standard outlines detailed specifications for steel folding cots commonly used in institutional and residential areas where space optimization is necessary. It defines the required dimensions, materials, fabrication techniques, surface treatments, performance evaluations, and packaging protocols to ensure safety, durability, and ease of handling. This standard is essential for manufacturers, suppliers, and buyers seeking dependable quality and consistent performance in steel folding cots.
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Contents
Structure
Frequently Asked
Per the standard, steel folding cots must have either a length of 1830 mm or 1890 mm, a fixed width of 760 mm, and a height of 400 mm. These measurements ensure uniformity across products and accommodate varying user needs while maintaining ergonomic comfort and structural stability.
Approved materials include steel tubular pipes with a minimum wall thickness of 2 mm and an outside diameter of at least 25 mm, mild steel angles measuring 40 x 40 x 3 mm, and mild steel unequal channel sections as detailed in the standard's figures. Frame joints are limited to two per frame, with tubular pipe joints requiring a matching internal pipe insert that is securely welded. Bend radii must not exceed 150 mm, and a 10 mm diameter hole is required at bend centers for attaching mosquito nets.
The process begins with pickling to clean the steel surfaces, followed immediately by applying a phosphate coating compliant with Class C of IS 3618-1966, using procedures outlined in IS 6005-1970. Surfaces requiring filling are treated with putty per IS 426-1961. An aluminium-zinc oxide primer conforming to IS 2931-1964 is then applied, followed by one or more coats of enamel paint as specified in IS 151-1950, IS 2932-1975, or IS 2933-1975. The coating's adhesion and flexibility are tested on specified samples per IS 101-1964, ensuring no damage or cracking under magnification.
Though the standard primarily details paint and coating performance, commonly required tests include load-bearing capacity verification to prevent permanent deformation, stability assessments to avoid tipping, smooth operation and secure locking of folding mechanisms, durability through repeated fold/unfold cycles, and corrosion resistance evaluation of surface finishes. For exact procedures, consult the full standard or related furniture testing norms.
When placing orders, purchasers must specify if spring clamps are needed, whether NEWAR surface finishing is required, any alternative construction or finishing methods desired, and the frame and leg section types such as tubing, angle sections, channel sections, or combinations thereof. Additionally, dimensions, quantities, material grades, delivery timelines, and any customization preferences should be communicated to ensure manufacturing accuracy and compliance.
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