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Characteristics for grade     CHKH22   ( ЧХ22 )



      Grade :     CHKH22   ( ЧХ22 )
      Classification :   High alloy cast iron
      Equivalent grades:     Is absent



Chemical composition in % for grade   CHKH22   ( ЧХ22 )
C Si Mn S P Cr V Ti
2.4 - 3.60.2 - 11.5 - 2.5max   0.08max   0.119 - 250.15 - 0.350.15 - 0.35


Mechanical properties under Т=20oС for grade   CHKH22   ( ЧХ22 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 7769-82     290        


    Brinell hardness for     CHKH22   ( ЧХ22 )   ,       GOST 7769-82 HB 10 -1 = 330 - 610   MPa



Types of delivery of grade   CHKH22   ( ЧХ22 )
В81 - Castings of cast iron (gray and malleable cast iron)


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]

  CHKH22   ( ЧХ22 ) - High alloy cast iron: 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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