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Characteristics for grade     S390   ( С390 )



      Grade :     S390   ( С390 )
      Substitute:   14Г2АФ
      Classification :   Steel for structural constructions
      Equivalent grades:     Is absent



Chemical composition in % for grade   S390   ( С390 )
C Si Mn Ni S P Cr V N Cu
max   0.18max   0.61.2 - 1.6max   0.3max   0.04max   0.035max   0.40.07 - 0.120.015 - 0.025max   0.3


Mechanical properties under Т=20oС for grade   S390   ( С390 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet, GOST 27772-88 4 - 50   540 390 20    


Technological properties for grade   S390   ( С390 )
  Weldability: without limitations.



Types of delivery of grade   S390   ( С390 )
В22 - Graded and shaped rolling
B23 - Sheets and Strips


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]

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

  S390   ( С390 ) - Steel for structural constructions: 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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