Metals -> High-temperature or heat-resistant steel and alloy -> High alloy high-temperature steel Characteristics of the material 2KH12N2VMF ( 2H12N2VMF, 2Х12Н2ВМФ ).
Material : 2KH12N2VMF ( 2H12N2VMF, 2Х12Н2ВМФ ) Classification : High alloy high-temperature steel
Chemical composition in % of the material 2KH12N2VMF ( 2H12N2VMF, 2Х12Н2ВМФ ) . C Si Mn Ni S P Cr Mo W V 0.09 - 0.13 max 0.6 max 0.6 1.5 - 1.8 max 0.025 max 0.03 10.5 - 12 0.35 - 0.5 1.6 - 2 0.18 - 0.3
Mechanical properties under Т=20o С of the material 2KH12N2VMF ( 2H12N2VMF, 2Х12Н2ВМФ ) .
Assortment Dimension Direct. s в s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - Sheet 1 - 4 650 450 Drawing 730 - 750o C, 2h,Cooling air, Sheet 1 - 4 1200 1000 Normalizing 1000o C,Drawing 530 - 580o C, 2h, air, Cooling air,
Physical properties of the material 2KH12N2VMF ( 2H12N2VMF, 2Х12Н2ВМФ ) . T E 10- 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m 20 2 20.9 7800 100 1.95 11 22.3 200 1.85 11.7 24 300 1.75 12.2 25.5 400 1.65 13.3 27.2 500 1.45 13 28 600 1.09 13 28.5 700 28.9 800 31.4 T E 10- 5 a 10 6 l r C R 10 9
Specification :
Mechanical properties : s в - Tensile strength , [MPa] s T - Yield stress, [MPa] d 5 - 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/(m·Grade)] r - Density , [kg/m3 ] C - Specific heat
( range 20o - T ), [J/(kg·Grade)] R - Electrical resistance , [Ohm·m]
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