Metals -> High-temperature or heat-resistant steel and alloy -> Low alloy high-temperature steel Characteristics of the material 15KH1M1F ( 15H1M1F, 15Õ1Ì1Ô ).
Material : 15KH1M1F ( 15H1M1F, 15Õ1Ì1Ô ) Classification : Low alloy high-temperature steel
Chemical composition in % of the material 15KH1M1F ( 15H1M1F, 15Õ1Ì1Ô ) . C Si Mn Ni S P Cr Mo V Cu 0.1 - 0.16 0.17 - 0.37 0.4 - 0.7 max 0.25 max 0.025 max 0.025 1.1 - 1.4 0.9 - 1.1 0.2 - 0.25 max 0.25
Temperature of critical points of the grade 15KH1M1F ( 15H1M1F, 15Õ1Ì1Ô ).
Ac1 = 770 - 819 , Ac3 (Acm ) = 905 - 975 , Ar3 (Arcm ) = 855 - 908 , Ar1 = 775 - 818
Mechanical properties under Ò=20o Ñ of the material 15KH1M1F ( 15H1M1F, 15Õ1Ì1Ô ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - Pipe longitudinal 500 320 18 50 500 Pipe dihedral 500 320 16 45 400
Physical properties of the material 15KH1M1F ( 15H1M1F, 15Õ1Ì1Ô ) . 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 2.14 7800 100 2.08 11.2 41.58 200 2.01 11.7 40.3 300 1.94 12.5 38.6 400 1.87 13 36.9 500 1.77 13.5 32.7 600 1.69 13.7 34 700 1.6 T E 10- 5 a 10 6 l r C R 10 9
Specification :
Mechanical properties : s â - 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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