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Characteristics for grade     KCH37-12   ( КЧ37-12 )



      Grade :     KCH37-12   ( КЧ37-12 )
      Classification :   Malleable cast iron
      Equivalent grades:     Is absent



Chemical composition in % for grade   KCH37-12   ( КЧ37-12 )
C Si Mn S P Cr -
2.4 - 2.71.2 - 1.40.2 - 0.4max   0.06max   0.12max   0.06 C+Si = 3.6 - 4


Mechanical properties under Т=20oС for grade   KCH37-12   ( КЧ37-12 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 1215-79     362   12    


    Brinell hardness for     KCH37-12   ( КЧ37-12 )   ,       GOST 1215-79 HB 10 -1 = 110 - 163   MPa


Physical properties for grade   KCH37-12   ( КЧ37-12 )
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m
20 1.7          



Types of delivery of grade   KCH37-12   ( КЧ37-12 )
В61 - Pipes of ferrous metals and alloys cast and connecting parts to them
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]

  KCH37-12   ( КЧ37-12 ) - Malleable 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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