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Metals -> Structural steel -> Bearing structural steel

Characteristics of the material SHKH15   ( SHH15,   15 ).

Material : SHKH15   ( SHH15,   15 )
Substitute: 9, 12, 15
Classification : Bearing structural steel


Chemical composition in % of the material SHKH15   ( SHH15,   15 ) .
C Si Mn Ni S P Cr Cu
0.95 - 1.050.17 - 0.370.2 - 0.4max   0.3max   0.02max   0.0271.3 - 1.65max   0.25


Temperature of critical points of the grade SHKH15   ( SHH15,   15 ).
Ac1 = 724 ,      Ac3(Acm) = 900 ,       Ar3(Arcm) = 713 ,       Ar1 = 700 ,       Mn = 210


Mechanical properties under =20o of the material SHKH15   ( SHH15,   15 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Steel     590-730370-41020 45440Annealing 800oC, oven, 15 oC/h,


    Brinell hardness of the material   SHKH15   ( SHH15,   15 )   ,       HB 10 -1= 179 - 207   MPa


Physical properties of the material SHKH15   ( SHH15,   15 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 2.11     7812    
100   11.9   7790   390
200   15.1 40 7750   470
300   15.5   7720   520
400   15.6 37 7680    
500   15.7 32 7640    
T E 10- 5 a 10 6 l r C R 10 9


Technological properties of the material SHKH15   ( SHH15,   15 ) .
 Flakes : predisposed
Temper brittleness: predisposed



Specification :
Mechanical properties :
s - 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/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

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

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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