320 HT 2

320 HT 2

High Tensile Brass are alloys of Copper and Zinc. HT2 is a duplex or alpha/beta alloy. Brass alloy HT2 is a versatile high strength, hot workable, machinable engineering alloy sometimes referred to as a Manganese Bronze or High Tensile Brass.

Chemical Composition

Elements Min (%) Max (%)
Cu 56.00 61.00
Pb 0.50 1.50
Sn - 1.00
Fe 0.20 1.50
Al 0.30 2.00
Mn 0.50 2.00
Total Others - 0.50
Zn Remainder

Mechanical Properties According To IS320 HT2 (As Per Temper HBSR)

Range (mm) From To UTS Min (MPa) UTS Max (MPa) PS Min (MPa) Elongation Min (%) Hardness Min Hardness Max
Round (Dia) 10 40 520 - - 12 - -
40 75 500 - - 15 - -
Hex (A/F) 40 70 500 - - 15 - -
Square (A/F) 40 60 500 - - 15 - -
Rectangle Thickness 10 40 520 - - 12 - -
Thickness 40 50 500 - - 15 - -

Physical Properties

PHYSICAL PROPERTIES
Melting Point 865°C
Density 8.63g/cm3
Electrical Conductivity 0.09 x 10?? ?.m
Thermal Conductivity 88.3W/m.K
Modulus of Elasticity 96.5 GPa

Fabrication Properties

FABRICATION PROPERTIES
Technique Suitability
Capacity for being Cold formed Poor
Capacity for being Hot worked Good
Machinability Ration 30%
Resistance to Corrosion Excellent
Suitability for Soldering Excellent