Database of Steel and Alloy (Marochnik)

  Home     Steel and Alloy     Search     Equivalent Grades     GOST Standards     Grading     Contacts  
   
YOU HERE:   Steel and Alloy   ->   Casting steel

Characteristics for grade     30KHGFRL   ( 30ХГФРЛ )



      Grade :     30KHGFRL   ( 30ХГФРЛ )
      Classification :   Casting alloy steel for general purposes
      Equivalent grades:     Is absent



Chemical composition in % for grade   30KHGFRL   ( 30ХГФРЛ )
C Si Mn Ni S P Cr V Cu B
0.28 - 0.360.2 - 0.60.8 - 1.25max   0.3max   0.04max   0.040.5 - 0.90.05 - 0.1max   0.3max   0.004


Temperature of critical points for grade   30KHGFRL   ( 30ХГФРЛ ).
Ac1 = 750 - 760 ,      Ac3(Acm) = 845 - 855 ,       Ar3(Arcm) = 720 - 855 ,       Ar1 = 425 - 675 ,       Mn = 320 - 370


Mechanical properties under Т=20oС for grade   30KHGFRL   ( 30ХГФРЛ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting to 100   700 500 12 25400Guenching 900 - 920oC,Drawing 650 - 670oC,


    Brinell hardness for     30KHGFRL   ( 30ХГФРЛ )   (quenching, tempering) ,       HB 10 -1 = 196 - 255   MPa


Technological properties for grade   30KHGFRL   ( 30ХГФРЛ )
Temper brittleness: predisposed


Technological properties of the material   30KHGFRL   ( 30ХГФРЛ ) .
        Linear shrinkage : 1.5 - 2   %




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

  30KHGFRL   ( 30ХГФРЛ ) - 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

    ©   2003 - 2024         Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use.
Рейтинг@Mail.ru