C36000 Free-Cutting Brass (CuZn36Pb3)

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MA36B is the US reference standard for free-cutting brass with machinability rating of 100, moderate strength, and good resistance to corrosion. The alloy is used in the widest range of applications where excellent machining performance is the key selection criteria, including all types of special machined or micro-machined components with or without electrical requirement.

Mechanical Properties

Round Rod

TEMPER NAME  TEMPER CODE  TENSILE STRENGTH YIELD STRENGTH ELONGATION MILL LIMITS 
min, ksi (MPa) min, ksi (MPa)
@ 0.5% EUL
min, %
soft anneal 060 48 (330) 20 (140) 15 0.0394 - .3150"
(1 - 8mm)
half-hard H02 57 (395) 25 (170) 7
hard H04 80 (550) 45 (310) - 0.0625 - 0.1875", incl. (1.6 - 4 mm,incl.)
70 (480) 35 (240) 4 over 0.1875 - 0.3150" (over 4 - 8 mm)

Round Wire

TEMPER NAME  TEMPER CODE  TENSILE STRENGTH YIELD STRENGTH ELONGATION MILL LIMITS 
min, ksi (MPa) min, ksi (MPa)
@ 0.5% EUL
min, %
soft anneal 060 48 (330) 20 (140) 15 0.0100 - 0.2362"
(.25-6mm)
half-hard H02 57 (395) 25 (170) 4
hard H04 80 (550) 45 (310) - 0.0625 - 0.1875", incl. (1.6-4mm,incl.)
70 (480) 35 (240) 4 over 0.1875 - 0.3150" (over 4-8mm)

Physical Properties

Melting Point (Liquidus) 1650°F 900°C
Melting Point (Solidus) 1630°F 890°C
Annealing Range (min - max) 800 - 1100 °F 425 - 595 °C
Density 0.307 lb/cu in 8.50 gm/cu cm
Electrical Resistivity (Annealed) 39.9 Ω·cir-mil/ft @ 68 °F 6.62 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 26% IACS @ 68°F 0.151 MS/cm @ 20°C
Thermal Conductivity 67 Btu/sq ft/ft·hr/°F @ 68 °F 116 W/m·K @ 20 °C
Coefficient of Thermal Expansion 0.0000114°F (68-572°F) 0.0000206°C (20-300°C)
Modulus of Elasticity (Tension) 14,000 ksi 96,500 MPa
Modulus of Rigidity 5,300 ksi 36,500 MPa