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Characteristics for grade     20KH13   ( 20Х13 )

      Grade :   20KH13   ( 20Х13 ) (   2Х13   )
      Substitute:   12Х13, 14Х17Н2
      Classification :   Corrosion-resistant high-temperature steel
      Equivalent grades:   Go here
Grade   20KH13   ( 20Х13 ):   supplier   Auremo   www.auremo.biz
Sale:   Russia +7 (812) 680-16-77 ,   Germany +49 (208) 376-298-00 ,     info [a] auremo.org



Chemical composition in % for grade   20KH13   ( 20Х13 )
C Si Mn Ni S P Cr
0.16 - 0.25max   0.6max   0.6max   0.6max   0.025max   0.0312 - 14


Temperature of critical points for grade   20KH13   ( 20Х13 ).
Ac1 = 820 ,      Ac3(Acm) = 950 ,       Ar1 = 780


Mechanical properties under Т=20oС for grade   20KH13   ( 20Х13 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet, GOST 5582-75 1 - 4 dihedral 490   20   Drawing 740 - 800oC,
Bar, GOST 5949-75     650-830440-63510-1650-55590-780Guenching and drawing
Bar, GOST 18907-73     510-780  14    
Bar, GOST 18968-73     670 490-65518 50690Normalizing and drawing
Forging, GOST 25054-81 to 600 longitudinal 647 441 14-1640-50390-640Guenching and drawing
Sheet trick, GOST 7350-77     510 375 20   Normalizing


    Brinell hardness for     20KH13   ( 20Х13 )   (annealing) ,     Bar GOST 5949-75 HB 10 -1 = 126 - 197   MPa
    Brinell hardness for     20KH13   ( 20Х13 )   (normalize, tempering) ,     Bar GOST 18968-73 HB 10 -1 = 207 - 241   MPa
    Brinell hardness for     20KH13   ( 20Х13 )   ,     Forging GOST 25054-81 HB 10 -1 = 197 - 248   MPa


Technological properties for grade   20KH13   ( 20Х13 )
  Weldability: limited weldability.
 Flakes : not predisposed
Temper brittleness: predisposed


Physical properties for grade   20KH13   ( 20Х13 )
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 2.18   23 7670   588
100 2.14 10.1 26 7660 461 653
200 2.08 11.2 26 7630 523 730
300 2 11.5 26 7600 565 800
400 1.89 11.9 26 7570 628 884
500 1.81 12.2 27 7540 691 952
600 1.69 12.8 26 7510 775 1022
700   12.8 26 7480 963 1102
800   13 27 7450    
900     28      
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     20KH13   ( 20Х13 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalySpainChinaSwedenPolandCzechia
-DIN,WNrJIS AFNORBSEN UNIUNEGBSSPNCSN
420
S42000
1.4021
X20Cr13
X30Cr13
SUS420J1
X20Cr13
Z20C13
420S29
420S37
En56C
1.4021
X20Cr13
X20Cr13
F.3402
X20Cr13
2Cr13
2303
2H13
17022

Types of delivery of grade   20KH13   ( 20Х13 )
B03 - Metal forming treatment. Forgings
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
B33 - Sheets and Strips
B34 - Ribbons
В62 - Steel pipes and connecting parts to them
B73 - Steel Alloy Wire
B76 - Metal nets


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]

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

  20KH13   ( 20Х13 ) - Corrosion-resistant high-temperature 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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