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Characteristics for grade     BrOTS4-3   ( БрОЦ4-3 )



      Grade :     BrOTS4-3   ( БрОЦ4-3 )
      Classification :   Wrought tin bronzes
      Equivalent grades:     Is absent



Chemical composition in % for grade   BrOTS4-3   ( БрОЦ4-3 )
Fe Si Ni PAl Cu PbZn Sb Bi Sn Impurity
max   0.05max   0.002max   0.3max   0.03max   0.00292.2 - 93.8max   0.022.7 - 3.3max   0.002max   0.0023.5 - 4 all 0.2
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under Т=20oС for grade   BrOTS4-3   ( БрОЦ4-3 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 10025-78 Ø 42 - 120   270   35    
Bar, GOST 10025-78 Ø 5 - 40   310-430  12-20   
Wire, GOST 5221 - 2008     760-880  0.5-2   
Strip, GOST 1789-70     290 110 35-38   
Strip, GOST 1789-70     540-690510-6702-4   


    Brinell hardness for     BrOTS4-3   ( БрОЦ4-3 )   ,     soft HB 10 -1 = 50 - 70   MPa
    Brinell hardness for     BrOTS4-3   ( БрОЦ4-3 )   ,     hard HB 10 -1 = 150 - 170   MPa


Technological properties of the material   BrOTS4-3   ( БрОЦ4-3 ) .
        Melting temperature : 1045   °C
        Forging temperature : 700 - 800   °C
        Annealing temperature : 550 - 650   °C


Physical properties for grade   BrOTS4-3   ( БрОЦ4-3 )
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 1.22   84 8800   90
100   18        



Types of delivery of grade   BrOTS4-3   ( БрОЦ4-3 )
В05 - Welding and cutting of metals., Soldering, riveting
B53 - Sheets and Strips
B55 - Bars
B74 - Wire made of non-ferrous metals and their alloys


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]

  BrOTS4-3   ( БрОЦ4-3 ) - 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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