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Characteristics for grade     BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )



      Grade :     BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )
      Classification :   Wrought tin bronzes
      Equivalent grades:     Is absent



Chemical composition in % for grade   BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )
Fe Ni PAl Cu PbZn Sb Bi Sn Impurity
max   0.05max   0.3max   0.03max   0.00286 - 92.51.5 - 3.53 - 5max   0.002max   0.0023 - 5 all 0.2
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under Т=20oС for grade   BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Band, GOST 15885-77     290   35    
Band, GOST 15885-77     540   5    
soft     300-350  35-45   
hard     550-650  2-4   


    Brinell hardness for     BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )   ,     soft HB 10 -1 = 50 - 70   MPa
    Brinell hardness for     BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )   ,     hard HB 10 -1 = 150 - 170   MPa


Friction coefficient of the material   BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 ) .
 Friction coefficient with oil : 0.016
 Friction coefficient without oil : 0.26


Technological properties of the material   BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 ) .
        Melting temperature : 1018   °C
        Annealing temperature : 550 - 650   °C


Physical properties for grade   BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )
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 0.75   84 8900   90
100   18.2        



Types of delivery of grade   BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 )
В54 - Ribbons


Specification :
Mechanical properties :
sв - 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/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]

  BrOTSS4-4-2.5   ( БрОЦС4-4-2.5 ) - Wrought tin bronzes: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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