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Characteristics for grade     05G4MNF   ( 05Г4МНФ )

      Grade :     05G4MNF   ( 05Г4МНФ )
      Classification :   Alloy structurall steel
      Equivalent grades:     Is absent



Chemical composition in % for grade   05G4MNF   ( 05Г4МНФ )
C Si Mn Ni S P Mo V Ti Cu
max   0.050.3 - 0.63.2 - 3.73 - 3.5max   0.02max   0.020.2 - 0.40.08 - 0.15max   0.02max   0.3


Mechanical properties under Т=20oС for grade   05G4MNF   ( 05Г4МНФ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Forging to 350   680-750490-54518-2245490 


    Brinell hardness for     05G4MNF   ( 05Г4МНФ )   ,     Forging HB = 207 - 320   MPa


Technological properties for grade   05G4MNF   ( 05Г4МНФ )
  Weldability: without limitations.


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]

Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

  05G4MNF   ( 05Г4МНФ ) - Alloy structurall 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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