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Characteristics for grade     40KH24N12SL   ( 40Х24Н12СЛ )



      Grade :     40KH24N12SL   ( 40Х24Н12СЛ )
      Substitute:   35Х23Н7СЛ
      Classification :   Casting alloy steel with specific properties
      Equivalent grades:   Go here



Chemical composition in % for grade   40KH24N12SL   ( 40Х24Н12СЛ )
C Si Mn Ni S P Cr
max   0.40.5 - 1.50.3 - 0.811 - 13max   0.03max   0.03522 - 26


Mechanical properties under Т=20oС for grade   40KH24N12SL   ( 40Х24Н12СЛ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 977-88 to 100   491 245 20 28 Guenching 1050oC,


Technological properties for grade   40KH24N12SL   ( 40Х24Н12СЛ )
  Weldability: without limitations.
 Flakes : not predisposed
Temper brittleness: not predisposed


Technological properties of the material   40KH24N12SL   ( 40Х24Н12СЛ ) .
        Linear shrinkage : 2.7   %


Heat treatment of the material   40KH24N12SL   ( 40Х24Н12СЛ )
Hardening 1040 - 1060 ° C, Water, oil or air cooling


Physical properties for grade   40KH24N12SL   ( 40Х24Н12СЛ )
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 1.96     7800   860
100   18.4        
200            
300            
400            
500 1.67          
600 1.57          
700 1.45          
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     40KH24N12SL   ( 40Х24Н12СЛ )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalyChinaHungaryPolandRomaniaCzechiaSouth Korea
-DIN,WNrJIS AFNORBSEN UNIGBMSZPNSTASCSNKS
HF
HH
J93503
J94003
J94013
1.4826
1.4837
G-X40CrNiSi22-9
G-X40CrNiSi25-12
SCH12
SCH13A
SCH17
SCS17
Z40CN25-12
309C30
309C35
1.4837
GX40CrNiSi25-12
GX35CrNi25-12
ZG35Cr26Ni12
40CrNiSi25-12
LH23N18C
T35NiCr260
422934
422936
HRSC13A
HRSC17
SSC17



Types of delivery of grade   40KH24N12SL   ( 40Х24Н12СЛ )
B82 - Steel Castings


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

  40KH24N12SL   ( 40Х24Н12СЛ ) - Casting alloy steel with specific properties: 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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