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

Characteristics of the material 12KH2MFSR   ( 12H2MFSR,   122 ).

Material : 12KH2MFSR   ( 12H2MFSR,   122 )
Classification : Low alloy high-temperature steel


Chemical composition in % of the material 12KH2MFSR   ( 12H2MFSR,   122 ) .
C Si Mn Ni S P Cr Mo V Cu B
0.08 - 0.150.4 - 0.70.4 - 0.7max   0.25max   0.025max   0.0251.6 - 1.90.5 - 0.70.2 - 0.35max   0.250.002 - 0.005


Temperature of critical points of the grade 12KH2MFSR   ( 12H2MFSR,   122 ).
Ac1 = 775 - 825 ,      Ac3(Acm) = 865 - 925 ,       Ar3(Arcm) = 770 - 820 ,       Ar1 = 715 - 765


Mechanical properties under =20o of the material 12KH2MFSR   ( 12H2MFSR,   122 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe 42 x 6   240 480 24  2700 
Pipe 32 x 5   530 330 22  2300 
Pipe 273 x 36   600 440 24 721900 


Physical properties of the material 12KH2MFSR   ( 12H2MFSR,   122 ) .
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     29.4 7800    
100   10.95        
200   11.95        
300   12.65        
400   13.15        
500   13.7        
600   14        
700   14.3        
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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