IS 4413 is the Indian Standard specification for brass wires used in general engineering purposes, commonly referring to yellow brass with a copper content of not less than 62%.
Chemical Composition (Typical as per IS 4413 for brass wires)
Copper (Cu): 62.00% to 65.00%
Lead (Pb): Up to 0.30% max
Iron (Fe): Up to 0.10% max
Zinc (Zn): Balance
Others (total impurities including antimony, bismuth, phosphorus, etc.): Typically limited to around 0.60% max
Mechanical Properties (Typical)
Tensile Strength: Minimum around 325 MPa
Elongation: Minimum 35%
Hardness (BHN): Varied by temper and wire size, typically around 60-70 BHN or as per specific temper
Physical and Fabrication Characteristics
Density: Approx. 8.44 g/cm³
Melting Point: Around 1680°F (916°C)
Electrical Conductivity: About 27.6% IACS
Thermal Conductivity: Around 67 Btu/sq ft/ft/hr/°F
Coefficient of Thermal Expansion: Approx. 11.4 x 10⁻⁶ per °F
Uses of IS 4413 Brass Wire
Fasteners, springs, and precision engineering components
Valves, pumps, and general hardware requiring good strength and machinability
Automotive, electrical, and plumbing applications where good corrosion resistance and formability are needed
General engineering, where consistent quality and mechanical properties are critical