Metals -> Copper-zinc alloy (latten, brass) -> Copper-zinc alloys pressure treated Characteristics of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ).
Material : LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) Classification : Copper-zinc alloys pressure treated
Chemical composition in % of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) . Fe Mn P Al Cu Pb Zn Sb Bi Impurity max 1 2.5 - 3.5 max 0.01 0.5 - 1.5 55 - 58.5 max 0.2 35.2 - 42 max 0.005 max 0.002 all 1.3
Comment: Zn is a basis; the percentage of Zn is given approximately. Mechanical properties under Ò=20o Ñ of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - hard 700-750 4-8 soft 400-500 40-50
Brinell hardness of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) , hard HB 10 -1 = 175 - 185 MPa Brinell hardness of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) , soft HB 10 -1 = 85 - 95 MPa
Physical properties of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) . T E 10- 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m 20 1.04 67 8100 121 100 20.1
Technological properties of the material LMtsÀ57-3-1 ( LMtsÀ57-3-1, ËÌöÀ57-3-1 ) . Melting temperature, °C : 870 Forging temperature,°C : 650 - 750 Annealing temperature, °C : 600 - 700
Specification :
Mechanical properties : s â - Tensile strength , [MPa] s T - Yield stress, [MPa] d 5 - Specific elongation at fracture , [ % ] y - Reduction of area , [ % ] KCU - Impact strength , [ kJ / m2 ] HB - Brinell hardness , [MPa]
Physical properties : T - Test temperature , [Grade] E - Young modulus , [MPa] a - Coefficient of linear expansion
(range 20o - T ) , [1/Grade] l - Termal (heat) condition coefficient , [Watt/(m·Grade)] r - Density , [kg/m3 ] C - Specific heat
( range 20o - T ), [J/(kg·Grade)] R - Electrical resistance , [Ohm·m]
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