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

Characteristics of the material 18KH11MFB   ( 18H11MFB,   1811 ).

Material : 18KH11MFB   ( 18H11MFB,   1811 )
Classification : High alloy high-temperature steel


Chemical composition in % of the material 18KH11MFB   ( 18H11MFB,   1811 ) .
C Si Mn Ni S P Cr Mo V Nb
0.15 - 0.21max   0.60.6 - 10.5 - 1max   0.025max   0.0310 - 11.50.8 - 1.10.2 - 0.40.2 - 0.45


Mechanical properties under =20o of the material 18KH11MFB   ( 18H11MFB,   1811 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
    longitudinal 730 570 16 61 Normalizing 1100 - 1140oC,Drawing 750oC, 10h,


Physical properties of the material 18KH11MFB   ( 18H11MFB,   1811 ) .
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 2.28     7850    
100 2.22 10.3 21.4   485  
200 2.13 10.6 25.1   530  
300 2.05 10.8 25.9   590  
400 1.93 11.3 26.3   667  
500 1.8 11.7 27.2   770  
600   11.8 28   900  
700   12        
800   12.4        
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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