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Metals -> Corrosion-resistant (stainless) steel -> Corrosion-resistant high-temperature steel

Characteristics of the material 12KH13   ( 12H13,   1213 ).

Material : 12KH13   ( 12H13,   1213 )
Substitute: 2013
Classification : Corrosion-resistant high-temperature steel


Chemical composition in % of the material 12KH13   ( 12H13,   1213 ) .
C Si Mn Ni S P Cr
0.09 - 0.15max   0.8max   0.8max   0.6max   0.025max   0.0312 - 14


Temperature of critical points of the grade 12KH13   ( 12H13,   1213 ).
Ac1 = 730 ,      Ac3(Acm) = 850 ,       Ar3(Arcm) = 820 ,       Ar1 = 700


Mechanical properties under =20o of the material 12KH13   ( 12H13,   1213 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet trick     500 350 21    
Sheet thin     400   21    
Bars     600 420 20 60  
Pipe hot strain     400   21    
Wire     500   14    
Band     400   17    
Pipe cooling strain     400 220      
Bar   longitudinal 600 420 20 60900Guenching 1000 - 1050oC, air, Drawing 700 - 790oC, air,


    Brinell hardness of the material   12KH13   ( 12H13,   1213 )   (annealing) ,       HB 10 -1= 121 - 187   MPa
    Brinell hardness of the material   12KH13   ( 12H13,   1213 )   (quenching) ,       HB 10 -1= 235   MPa
    Brinell hardness of the material   12KH13   ( 12H13,   1213 )   (quenching, tempering) ,       HB 10 -1= 187 - 229   MPa


Physical properties of the material 12KH13   ( 12H13,   1213 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 2.17     7720   506
100 2.12 10.2 28 7700 473 584
200 2.06 11.2 28 7670 487 679
300 1.98 11.4 28 7640 506 769
400 1.89 11.8 28 7620 527 854
500 1.8 12.2 27 7580 554 938
600   12.4 26 7550 586 1021
700   12.7 26 7520 636 1103
800   13 25 7490 657  
900   10.8     666  
1000   11.7        
T E 10- 5 a 10 6 l r C R 10 9


Technological properties of the material 12KH13   ( 12H13,   1213 ) .
  Weldability: limited weldability.
Temper brittleness: predisposed



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/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

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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