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Characteristics for grade     15Kh5   ( 15Х5 )



      Grade :   15Kh5   ( 15Х5 ) (   Х5   )
      Classification :   Low alloy high-temperature steel
      Equivalent grades:     Is absent



Chemical composition in % for grade   15Kh5   ( 15Х5 )
C Si Mn Ni S P Cr
max   0.15max   0.5max   0.5max   0.6max   0.025max   0.034.5 - 6


Mechanical properties under Т=20oС for grade   15Kh5   ( 15Х5 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe hot strain, GOST 550-75     392 216 24 50980 
Bar, GOST 20072-74     390 165 24 50980Annealing 840 - 860oC, oven,


    Brinell hardness for     15Kh5   ( 15Х5 )   (hot-rolled, annealing) ,       GOST 20072-74 HB 10 -1 = 217   MPa
    Brinell hardness for     15Kh5   ( 15Х5 )   ,     Pipe GOST 550-75 HB 10 -1 = 170   MPa



Types of delivery of grade   15Kh5   ( 15Х5 )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
B33 - Sheets and Strips
В62 - Steel pipes and connecting parts to them


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]

  15Kh5   ( 15Х5 ) - Low alloy high-temperature steel: 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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