IS 1056 : 2025 Commercial Weights - Specification
1 SCOPE
1.1 This standard prescribes the requirements of the following categories of solid and sheet metal weights intended for use in normal commercial transactions:
a) Iron weights, hexagonal (50 kg to 50 g);
b) Brass and bronze weights (10 kg to 1 g); and
c) Sheet metal weights (500 mg to 1 mg).
1.2 It does not cover proportional weights that are used, for instance, in certain types of weighing machines, weigh-bridges, etc.
2 REFERENCES
The standards listed in Annex A contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.
| IS No. | Title |
| IS 210 : 2009 | Grey iron castings - Specification (fifth revision) |
| IS 292 : 1983 | Specification for leaded brass ingots and castings (second revision) |
| IS 306 : 1983 | Specification for tin bronze ingots and castings (third revision) |
| IS 319 : 2007 | Free cutting brass bars, rods and sections - Specification (fifth revision) |
| IS 410 : 1977 | Specification for cold rolled brass sheet, strip and foil (third revision) |
| IS 737 : 2024 | Wrought aluminium and aluminium alloy sheet and strip for general engineering purposes - Specification (fifth revision) |
| IS 1570 (Part 5) : 1985 | Schedules for wrought steels: Part 5 Stainless and heat-resisting steels (second revision) |
| IS 15911 : 2010 | Structural steel (ordinary quality) - Specification |