Similar International Standards
EN 12163:2016CEN (European Committee for Standardization), Europe
HighCurrent
Copper and copper alloys - Rod for general purposes
Specifies composition, properties, and tolerances for copper alloy rods for general use, closely aligning with IS 3182's scope for rods.
ASTM B249/B249M-20ASTM International, USA
MediumCurrent
Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
Covers general requirements; must be used with a specific alloy standard (e.g., ASTM B16) to fully match the scope of IS 3182.
JIS H 3250:2016JSA (Japanese Standards Association), Japan
HighCurrent
Copper and copper alloy rods and bars
A comprehensive standard covering chemical composition and mechanical properties for a wide range of copper alloy rods and bars.
BS 2874:1986BSI (British Standards Institution), UK
HighWithdrawn
Specification for copper and copper alloy rods and sections (other than forging stock)
This was the direct British predecessor, covering nearly the identical range of products and alloys before harmonization with EN standards.
Key Differences
≠The structure of IS 3182 is monolithic, containing general requirements, tolerances, and specifications for multiple alloy groups in one document. The ASTM system is modular, with a general requirements standard (ASTM B249M) and separate standards for each alloy family (e.g., ASTM B16 for free-cutting brass).
≠Alloy and temper designation systems are different. IS 3182 uses designations like CuZn39Pb2 and tempers like 'HB' (Half Hard). EN standards use 'CW612N' and tempers based on minimum tensile strength (R430) or hardness (H090). ASTM uses UNS numbers like 'C36000' and alphanumeric temper codes like 'H02'.
≠While many alloys are equivalent, specific compositional limits for impurities or minor elements can vary. For example, the lead (Pb) content for standard free-cutting brass in IS 3182 (Grade I) is 1.5-2.5%, whereas the most common US equivalent, ASTM B16 (C36000), specifies 2.5-3.5%.
≠IS 3182 specifies mechanical properties in kgf/mm², a unit that is now largely obsolete internationally, where MPa (N/mm²) is the standard unit used in EN, ASTM, and ISO standards.
Key Similarities
≈All standards cover the same fundamental product forms: wrought rods and bars (round, hexagonal, square) and often sections/profiles intended for general engineering and machining applications.
≈The core technical requirements specified are consistent across the standards, including mandatory limits on chemical composition, and minimum requirements for mechanical properties like tensile strength and elongation.
≈Dimensional and straightness tolerances are conceptually similar. For drawn products, they often refer to or align with ISO tolerance grades (e.g., h11), leading to interchangeable products from a dimensional perspective.
≈All standards mandate specific testing procedures for verification, such as tensile testing, chemical analysis, and dimensional checks, often referencing other harmonized standards for the test methods themselves.