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

Characteristics of the material 12KH2MFB   ( 12H2MFB,   122 ).

Material : 12KH2MFB   ( 12H2MFB,   122 )
Classification : Low alloy high-temperature steel


Chemical composition in % of the material 12KH2MFB   ( 12H2MFB,   122 ) .
C Si Mn Ni S P Cr Mo V Nb Cu
0.08 - 0.120.4 - 0.70.4 - 0.7max   0.25max   0.025max   0.0252.1 - 2.60.5 - 0.70.2 - 0.350.5 - 0.8max   0.25


Mechanical properties under =20o of the material 12KH2MFB   ( 12H2MFB,   122 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar   longitudinal 507 302 36 781400Drawing 860oC,


Physical properties of the material 12KH2MFB   ( 12H2MFB,   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 2.2     7800    
100   10.2        
200   11.3        
300   12.2        
400   12.6        
500 1.81 13.2        
600 1.73 13.4        
650 1.648          
700   13.7        
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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