The IS 13983:1994 standard outlines the specifications for stainless steel kitchen sinks intended for household use, including sit-on and inset variants. It defines criteria for materials, dimensions, design, workmanship, and features like tap holes and overflow arrangements. This specification is vital for manufacturers, designers, and quality controllers to ensure sinks meet durability, functionality, and Indian quality standards.
Overview
The IS 13983:1994 standard outlines the specifications for stainless steel kitchen sinks intended for household use, including sit-on and inset variants. It defines criteria for materials, dimensions, design, workmanship, and features like tap holes and overflow arrangements. This specification is vital for manufacturers, designers, and quality controllers to ensure sinks meet durability, functionality, and Indian quality standards.
Audience
Contents
Structure
Frequently Asked
IS 13983 mandates the use of austenitic stainless steel grades for household sinks. The specified grades are X04Cr19Ni9 (commonly referred to as 304) and X07Cr18Ni9 (referred to as 302), both conforming to IS 5522:1992. These materials are chosen for their corrosion resistance and suitability for kitchen environments.
The minimum internal dimensions specified by IS 13983 for sink bowls are as follows: rectangular bowls must measure at least 380 mm in length and 340 mm in width, while round bowls require a minimum diameter of 360 mm. Regarding depth, the minimum is 150 mm for most bowls, with smaller bowls (Types E2 and E3) allowed a reduced depth of 100 mm. Additional clearances include a 45-50 mm distance from the bowl edge to the front of the sink, 15-30 mm from the edge to the sink end depending on sink type, and an inset sink collar depth of 10 ± 2 mm.
Yes, the standard requires that the purchaser specify whether the sink includes tap hole(s) at the time of ordering. While it does not mandate the exact number or placement of tap holes, it sets dimensional limits for overflow holes when provided: the horizontal dimension must not exceed 64 mm, vertical height must be at least 15 mm, and the minimum area should be 640 mm². Additionally, overflow holes must be positioned entirely below the sink's spillover level.
To guarantee sink durability, IS 13983 specifies that sinks should be fabricated with the least number of sections to maintain surface smoothness and minimize joints. Edges must be free of sharpness, and corners should be rounded for ease of cleaning. Corners may be folded, drawn, or welded, with welds meticulously cleaned inside and out. Hole edges must be free from chips, cracks, or unevenness. Overflow holes, if present, must meet dimensional and placement criteria. The material used should be grade 304 or 302 austenitic stainless steel per IS 5522:1992. Sinks should fit flush with the countertop, protruding only by the edge thickness.
For compliance with BIS certification, each sink must be permanently and clearly marked in a location visible after installation. The marking should include the manufacturer's name or identification mark, the sink type and size, and the year of manufacture. Additionally, sinks may bear the BIS Standard Mark to indicate conformity with IS 13983. These markings ensure traceability and quality assurance for consumers and regulators.
Ask AI about any clause, requirement, or provision in IS 13983. Get instant, clause-cited responses powered by our indexed library.
Free tier includes 150 queries (50 AI + 100 Reference) · No credit card required