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Characteristics for grade     55S2GF   ( 55С2ГФ )



      Grade :     55S2GF   ( 55С2ГФ )
      Classification :   Spring structural steel
      Equivalent grades:   Go here



Chemical composition in % for grade   55S2GF   ( 55С2ГФ )
C Si Mn Ni S P Cr V Cu
0.52 - 0.61.5 - 20.95 - 1.25max   0.25max   0.035max   0.035max   0.30.1 - 0.15max   0.2


Mechanical properties under Т=20oС for grade   55S2GF   ( 55С2ГФ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 14959-79 to Ø 80   1570 1373 6 25 Guenching 870oC, oil, Drawing 470oC,


    Brinell hardness for     55S2GF   ( 55С2ГФ )   (without heat treatment) ,     Rolled stock GOST 14959-79 HB 10 -1 = 302   MPa
    Brinell hardness for     55S2GF   ( 55С2ГФ )   (heat treatment) ,     Rolled stock GOST 14959-79 HB 10 -1 = 269   MPa


Equivalent steels for grade     55S2GF   ( 55С2ГФ )
Warning! Indicated both exact and nearest equivalents.
Bulgaria
BDS
55S2GF



Types of delivery of grade   55S2GF   ( 55С2ГФ )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
B33 - Sheets and Strips
В72 - Medium-high and high-carbon steel wire


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]

  55S2GF   ( 55С2ГФ ) - Spring structural steel: 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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