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

Characteristics of the material BrB2.5   ( BrB2.5,   2.5 ).

Material : BrB2.5   ( BrB2.5,   2.5 )
Classification : Tin-free pressure-worked bronzes


Chemical composition in % of the material BrB2.5   ( BrB2.5,   2.5 ) .
Fe Si NiAl Cu Pb Be Impurity
max   0.15max   0.150.2 - 0.5max   0.1596.4 - 97.5max   0.0052.3 - 2.6 all 0.5
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under =20o of the material BrB2.5   ( BrB2.5,   2.5 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
soft     580   25    
hard     1350   1-2   


    Brinell hardness of the material   BrB2.5   ( BrB2.5,   2.5 )   ,     soft HB 10 -1= 130   MPa
    Brinell hardness of the material   BrB2.5   ( BrB2.5,   2.5 )   ,     hard HB 10 -1= 360   MPa


Physical properties of the material BrB2.5   ( BrB2.5,   2.5 ) .
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 1.33 16.6   8230    



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]

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