Metals -> Bronze -> Tin-free pressure-worked bronzes Characteristics of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ).
Material : BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) Classification : Tin-free pressure-worked bronzes
Chemical composition in % of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) . Fe Si Mn Ni Cu Pb Zn Sn Impurity max 0.3 2.7 - 3.5 1 - 1.5 max 0.2 94 - 96.3 max 0.03 max 0.5 max 0.25 all 1
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20o Ñ of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) .
Assortment
Dimension
Direct.
s â
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - soft 350-400 50-60 hard 650-750 6-8
Brinell hardness of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) , soft HB 10 -1 = 70 - 90 MPa Brinell hardness of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) , hard HB 10 -1 = 150 - 170 MPa
Physical properties of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) . 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 1.15 46 8400 250 100 18 377
Friction coefficient of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) . Friction coefficient with oil
: 0.013 Friction coefficient without oil
: 0.4
Technological properties of the material BrKMts3-1 ( BrKMts3-1, ÁðÊÌö3-1 ) . Forging temperature,°C : 750 - 850 Annealing temperature, °C : 700 - 750
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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