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Metals -> Bronze -> Tin-free pressure-worked bronzes

Characteristics of the material BrKN1-3   ( BrKN1-3,   5 ).

Material : BrKN1-3   ( BrKN1-3,   5 )
Classification : Tin-free pressure-worked bronzes


Chemical composition in % of the material BrKN1-3   ( BrKN1-3,   5 ) .
Fe Si Mn P Cu PbZn Sn Impurity
max   0.35max   0.14.5 - 5.5max   0.0193.6 - 95.5max   0.03max   0.4max   0.1 all 0.9
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under =20o of the material BrKN1-3   ( BrKN1-3,   5 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
soft     300-360  35-45   
hard     500-600  5-6   


    Brinell hardness of the material   BrKN1-3   ( BrKN1-3,   5 )   ,     soft HB 10 -1= 70 - 90   MPa
    Brinell hardness of the material   BrKN1-3   ( BrKN1-3,   5 )   ,     hard HB 10 -1= 150 - 170   MPa


Physical properties of the material BrKN1-3   ( BrKN1-3,   5 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 1.05     8600   200
100   20.4        


Friction coefficient of the material BrKN1-3   ( BrKN1-3,   5 ) .
 Friction coefficient with oil : 0.013
 Friction coefficient without oil : 0.7


Technological properties of the material BrKN1-3   ( BrKN1-3,   5 ) .
 Melting temperature, C : 1047
  Forging temperature,C : 750 - 850



Specification :
Mechanical properties :
s - Tensile strength , [MPa]
sT - Yield stress, [MPa]
d5 - 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/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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