Database of Steel and Alloy (Marochnik)

  Home     Steel and Alloy     Search     Equivalent Grades     GOST Standards     Grading     Contacts  
   
YOU HERE:   Steel and Alloy   ->   Casting steel

Characteristics for grade     40KHL   ( 40ХЛ )



      Grade :     40KHL   ( 40ХЛ )
      Substitute:   30ГСЛ, 35ГСЛ
      Classification :   Casting alloy steel for general purposes
      Equivalent grades:   Go here



Chemical composition in % for grade   40KHL   ( 40ХЛ )
C Si Mn S P Cr
0.35 - 0.450.2 - 0.40.4 - 0.9max   0.04max   0.040.8 - 1.1


Temperature of critical points for grade   40KHL   ( 40ХЛ ).
Ac1 = 743 ,      Ac3(Acm) = 782 ,       Ar3(Arcm) = 730 ,       Ar1 = 693


Mechanical properties under Т=20oС for grade   40KHL   ( 40ХЛ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 977-88 to 100   638 491 12 25392Normalizing 850 - 860oC,Drawing 600 - 650oC,


    Brinell hardness for     40KHL   ( 40ХЛ )   ,       HB 10 -1 = 196 - 229   MPa


Technological properties for grade   40KHL   ( 40ХЛ )
  Weldability: limited weldability.
 Flakes : weakly predisposed
Temper brittleness: predisposed


Technological properties of the material   40KHL   ( 40ХЛ ) .
        Linear shrinkage : 2.2 - 2.3   %


Heat treatment of the material   40KHL   ( 40ХЛ )
Hardening 850 - 870 ° C, Tempering 600 - 650 ° C


Physical properties for grade   40KHL   ( 40ХЛ )
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 2.19   48 7830   233
100 2.16 12.2 46   491 270
200 2.1 12.7 45   508 335
300 2.04 13.1 42   525 435
400 1.85 13.4 39   538 540
500 1.76 13.8 35   567 665
600 1.64 13.2 32   588 815
700 1.43 14.6 28   626 975
800 1.32 11.8 27   701 1115
900   12.6 27   689 1195
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     40KHL   ( 40ХЛ )
Warning! Indicated both exact and nearest equivalents.
BulgariaHungaryPoland
BDSMSZPN
40ChL
Ao40Cr4ne
L40H



Types of delivery of grade   40KHL   ( 40ХЛ )
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

  40KHL   ( 40ХЛ ) - Casting alloy steel for general purposes: 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

    ©   2003 - 2024         Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use.
Рейтинг@Mail.ru