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

Characteristics of the material 20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 ).

Material : 20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 )
Classification : Relaxation-resistant steel


Chemical composition in % of the material 20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 ) .
C Si Mn Ni S P Cr Mo V Ti B
0.17 - 0.24max   0.35max   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 of the grade 20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 ).
Ac1 = 800 - 830 ,      Ac3(Acm) = 890 - 930


Mechanical properties under =20o of the material 20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Rolled stock   longitudinal 800 700 15 60600Guenching 980oC, oil, Drawing 700oC, 5 - 7h,


    Brinell hardness of the material   20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 )   (hot-rolled, annealing) ,       HB 10 -1= 229   MPa


Physical properties of the material 20KH1M1F1TR   ( 20H1M1F1TR,   20󤯳1倚 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m稧rade) kg/m3 J/(kg稧rade) Ohm穖
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 :
s - 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稧rade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg稧rade)]
R - Electrical resistance , [Ohm穖]

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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