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Characteristics for grade     KCH55-4   ( КЧ55-4 )

      Grade :     KCH55-4   ( КЧ55-4 )
      Classification :   Malleable cast iron
      Equivalent grades:   Go here



Chemical composition in % for grade   KCH55-4   ( КЧ55-4 )
C Si Mn S P Cr -
2.5 - 2.81.1 - 1.30.3 - 1max   0.2max   0.1max   0.08 C+Si = 3.6 - 3.9


Mechanical properties under Т=20oС for grade   KCH55-4   ( КЧ55-4 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 1215-79     539   3-4   


    Brinell hardness for     KCH55-4   ( КЧ55-4 )   ,       GOST 1215-79 HB 10 -1 = 192 - 241   MPa


Equivalent steels for grade     KCH55-4   ( КЧ55-4 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandItalyPolandCzechia
-DIN,WNrJIS AFNORBSUNIPNCSN
6004
GTS55-04
FCMP540
MN550-4
P55-04
P55-04
Zcp55004
422555

Types of delivery of grade   KCH55-4   ( КЧ55-4 )
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]

  KCH55-4   ( КЧ55-4 ) - 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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