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Characteristics for grade     SCH25   ( СЧ25 )

      Grade :     SCH25   ( СЧ25 )
      Classification :   Grey cast iron
      Equivalent grades:   Go here



Chemical composition in % for grade   SCH25   ( СЧ25 )
C Si Mn S P
3.2 - 3.41.4 - 2.20.7 - 1max   0.15max   0.2


Mechanical properties under Т=20oС for grade   SCH25   ( СЧ25 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 1412-85     250        


    Brinell hardness for     SCH25   ( СЧ25 )   ,       GOST 1412-85 HB 10 -1 = 156 - 260   MPa


Technological properties of the material   SCH25   ( СЧ25 ) .
        Linear shrinkage : 1.2   %


Physical properties for grade   SCH25   ( СЧ25 )
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   50 7200    
100   10     500  


Equivalent steels for grade     SCH25   ( СЧ25 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalyBelgiumSpainChinaSwedenBulgariaHungaryPolandRomaniaCzechiaAustriaAustraliaInterIndiaHollandTaiwanLuxembourgCOPANT
-DIN,WNrJIS AFNORBSEN UNINBNUNEGBSSBDSMSZPNSTASCSNONORMASISOISNEN--COPANT
A48-40B
C1.35B
No.35
GG25
FC25
FC250
FGL250
250
260
EN-GJL-250
EN-JL1040
G25
FGG25
FG25
HT250
0125-00
O125
Vch25
OV25
Z125
ZI250
FC250
422425
GG25
GG250
T260
250
FG260
GG25
FC250
FGG25
FG250

Types of delivery of grade   SCH25   ( СЧ25 )
B11 - Cast Iron
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]

  SCH25   ( СЧ25 ) - Grey 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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