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

Characteristics of the material 18KH11MNFB   ( 18H11MNFB,   18Х11МНФБ ).

Material : 18KH11MNFB   ( 18H11MNFB,   18Х11МНФБ )
Classification : High alloy high-temperature steel


Chemical composition in % of the material 18KH11MNFB   ( 18H11MNFB,   18Х11МНФБ ) .
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 Т=20oС of the material 18KH11MNFB   ( 18H11MNFB,   18Х11МНФБ ) .
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bars     750 600 15 50600Guenching 1080 - 1130oC, air, Drawing 660 - 770oC, air,


    Brinell hardness of the material   18KH11MNFB   ( 18H11MNFB,   18Х11МНФБ )   (annealing) ,       HB 10 -1= 225   MPa


Technological properties of the material 18KH11MNFB   ( 18H11MNFB,   18Х11МНФБ ) .
  Weldability: hard weldability.



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]

Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

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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