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Metals -> High-temperature or heat-resistant steel and alloy -> Low alloy high-temperature steel

Characteristics of the material 15KHMFKR   ( 15HMFKR,   15 ).

Material : 15KHMFKR   ( 15HMFKR,   15 )
Classification : Low alloy high-temperature steel


Chemical composition in % of the material 15KHMFKR   ( 15HMFKR,   15 ) .
C Si Mn S P Cr Mo V Co B
0.12 - 0.180.17 - 0.370.4 - 0.7max   0.03max   0.031 - 1.30.9 - 1.20.2 - 0.321.3 - 1.50.006 - 0.01


Temperature of critical points of the grade 15KHMFKR   ( 15HMFKR,   15 ).
,      Ac3(Acm) = 980 - 990


Mechanical properties under =20o of the material 15KHMFKR   ( 15HMFKR,   15 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
    longitudinal 600 450 15 40600 
    tangent 575 425 11 32450 


Physical properties of the material 15KHMFKR   ( 15HMFKR,   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 2.19     7850    
100 2.15 12.1 32.2      
200 2.085 13.1 31.8      
300 2 14.1 31.4      
400 1.925 15.1 31      
600 1.71 15.4 28.9      
T E 10- 5 a 10 6 l r C R 10 9



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]

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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