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Characteristics for grade     80   ( 80 )

      Grade :     80   ( 80 )
      Classification :   Spring structural steel
      Equivalent grades:   Go here



Chemical composition in % for grade   80   ( 80 )
C Si Mn Ni S P Cr Cu
0.77 - 0.850.17 - 0.370.5 - 0.8max   0.25max   0.035max   0.035max   0.25max   0.2


Mechanical properties under Т=20oС for grade   80   ( 80 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 14959-79 to Ø 80   1079 932 8 30 Guenching 820oC, oil, Drawing 470oC,


    Brinell hardness for     80   ( 80 )   (without heat treatment) ,     Rolled stock GOST 14959-79 HB 10 -1 = 302   MPa
    Brinell hardness for     80   ( 80 )   (heat treatment) ,     Rolled stock GOST 14959-79 HB 10 -1 = 269   MPa


Equivalent steels for grade     80   ( 80 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanEuropeanBulgariaPoland
-DIN,WNrJIS EN BDSPN
1080
G10780
G10800
C80D
C82D
SUP3
1.0622
C80D
80
D80
D80A


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]

  80   ( 80 ) - 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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