C3771

Sonal Industries - +91-9426408439 - sonalind2003@gmail.com

DESCRIPTION

C3771, Section brass, is a readily extrudable leaded alpha/beta brass with a small aluminium addition, which gives a bright golden colour. The lead gives free cutting properties. C3771 is available as extruded rods and flats which are typically used in builder’s hardware.

CHEMICAL COMPOSITION

Elements Min (%) Max (%)
Cu 57.00 61.00
Pb 1.00 2.50
Sn+Fe - 1.00
Zn Remainder

MECHANICAL PROPERTIES ACCORDING TO EN12164 (AS PER TEMPER R430)

Range (mm) From To UTS Min (N/mm²) PS Min Elongation Min (%) Hardness Min (HV) Hardness Max (HV)
Round (Dia) 6 75 315 - 15 - -
Hex (A/F) 6 70 315 - 15 - -
Square (A/F) 6 60 315 - 15 - -
Rectangle (Thickness) 6 50 315 - 15 - -
PHYSICAL PROPERTIES
Physical Properties Metric English
Density 8.40 g/cc 0.303 lb/in3
CTE, linear 26.0 ᶙm/m-˚C 14.4 ᶙin/in-˚F
Specific Heat Capacity 0.380 J/g-˚C 0.0908 BTU/lb-˚F
Thermal Conductivity 113 W/m-K 784 BTU-in/hr-ft²-˚F
Melting Point 880-900 ˚C 1620 – 1650 ˚F
Solidus 880 ˚C 1620 ˚F
Liquidus 900 ˚C 1650˚F
FABRICATION PROPERTIES
Forming Suitability
Machinability (CuZn39Pb3 = 100 %) 95.00%
Capacity for Being Cold Worked Poor
Capacity for Being Hot Worked Excellent

TYPICAL USES

  • Builders Hardware
  • Consumer
  • Building
  • Industrial