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Characteristics for grade     20Kh1M1F1TR   ( 20Х1М1Ф1ТР )

      Grade :   20Kh1M1F1TR   ( 20Х1М1Ф1ТР ) (   ЭП182   )
      Classification :   Relaxation-resistant steel
      Equivalent grades:     Is absent



Chemical composition in % for grade   20Kh1M1F1TR   ( 20Х1М1Ф1ТР )
C Si Mn Ni S P Cr Mo V Ti B
0.17 - 0.24max   0.37max   0.5max   0.5max   0.03max   0.030.9 - 1.40.8 - 1.10.7 - 10.05 - 0.12max   0.005


Temperature of critical points for grade   20Kh1M1F1TR   ( 20Х1М1Ф1ТР ).
Ac1 = 800 - 830 ,      Ac3(Acm) = 890 - 930


Mechanical properties under Т=20oС for grade   20Kh1M1F1TR   ( 20Х1М1Ф1ТР )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Rolled stock, GOST 20072-74   longitudinal 780 665 15 50590Guenching 980oC, oil, Drawing 700oC, 5 - 7h,


    Brinell hardness for     20Kh1M1F1TR   ( 20Х1М1Ф1ТР )   (hot-rolled, annealing) ,       GOST 20072-74 HB 10 -1 = 229   MPa


Physical properties for grade   20Kh1M1F1TR   ( 20Х1М1Ф1ТР )
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 2.15     7850    
100 2.12   42.3      
200 2.08 12 40.6      
300 2.02 12.3 40.2      
400 1.94 12.85 39.8      
500 1.83 13 39.4      
600 1.74 13.5 38.9      
700 1.53 13.55 38.5      
800     38.1      
T E 10- 5 a 10 6 l r C R 10 9


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]

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]

  20Kh1M1F1TR   ( 20Х1М1Ф1ТР ) - Relaxation-resistant steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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