Metals -> Corrosion-resistant (stainless) steel -> Corrosion-resistant alloy Characteristics of the material 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ).
Material : 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ) Substitute: 03ÕÍ28ÌÄÒ Classification : Corrosion-resistant alloy
Chemical composition in % of the material 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ) . Fe C Si Mn Ni S P Cr Mo Ti Cu 36.885 - 46.5 max 0.06 max 0.8 max 0.8 26 - 29 max 0.02 max 0.035 22 - 25 2.5 - 3 0.5 - 0.9 2.5 - 3.5
Mechanical properties under Ò=20o Ñ of the material 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - Blank for pipe 540 245 35 50 980 Guenching 1050 - 1080o C, water, Sheet thin 540 35 Guenching 1050 - 1080o C,Cooling water, Sheet trick 540 215 35 Guenching 950 - 1080o C,Cooling water, Pipe cooling strain 490 30 Forging 510 216 30 30
Brinell hardness of the material 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ) , Forging HB 10 -1 = 200 MPa
Physical properties of the material 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ) . 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 13 7960 750 100 1.91 10.9 13 200 1.86 12.9 15 300 1.79 13.6 17 400 1.71 14.4 500 1.61 14.9 22 600 1.56 15.3 24 700 1.51 16.8 25 800 1.45 16.3 26 900 16.8 T E 10- 5 a 10 6 l r C R 10 9
Technological properties of the material 06KHN28MDT ( 06HN28MDT, 06ÕÍ28ÌÄÒ ) . Weldability: without limitations.
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]
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
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