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Characteristics for grade     25GSL   ( 25ГСЛ )



      Grade :     25GSL   ( 25ГСЛ )
      Classification :   Casting alloy steel for general purposes
      Equivalent grades:     Is absent



Chemical composition in % for grade   25GSL   ( 25ГСЛ )
C Si Mn Ni S P Cr Cu
0.22 - 0.280.6 - 0.81 - 1.3max   0.3max   0.3max   0.3max   0.3max   0.3


Mechanical properties under Т=20oС for grade   25GSL   ( 25ГСЛ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting to 100   470 245 18 30290Normalizing 900 - 920oC,Drawing 580 - 600oC,


    Brinell hardness for     25GSL   ( 25ГСЛ )   (quenching) ,       HB 10 -1 = 207   MPa
    Brinell hardness for     25GSL   ( 25ГСЛ )   (normalize, tempering) ,       HB 10 -1 = 123 - 149   MPa


Technological properties for grade   25GSL   ( 25ГСЛ )
  Weldability: without limitations.
 Flakes : not predisposed
Temper brittleness: not predisposed


Technological properties of the material   25GSL   ( 25ГСЛ ) .
        Linear shrinkage : 2.2 - 2.3   %




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

  25GSL   ( 25ГСЛ ) - Casting alloy steel for general purposes: 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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