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Characteristics for grade     55KH20G9АN4   ( 55Х20Г9АН4 )

      Grade :   55KH20G9АN4   ( 55Х20Г9АН4 ) (   5Х20Н4АГ9     ЭП303   )
      Classification :   High alloy high-temperature steel
      Equivalent grades:   Go here



Chemical composition in % for grade   55KH20G9АN4   ( 55Х20Г9АН4 )
C Si Mn Ni S P Cr N Cu
0.5 - 0.6max   0.458 - 103.5 - 4.5max   0.03max   0.0420 - 220.3 - 0.6max   0.3


Equivalent steels for grade     55KH20G9АN4   ( 55Х20Г9АН4 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalySpainChinaBulgariaHungaryPolandRomaniaCzechiaSouth Korea
-DIN,WNrJIS AFNORBSEN UNIUNEGBBDSMSZPNSTASCSNKS
EV12
EV8
S63008
1.4871
X53CrMnNiN21-9
SUH35
SUH36
SUH661
Z52CMN21-09
Z53CMN21-09Az
Z53CMNS21-09AZ
349S54
X53CrMnNiN21-9
1.4871
X53CrMnNiN21-9
X53CrMnNiNS21-9
X53CrMnNiN21-9
F.3217
X53CrMnNiN21-09
5Cr21Mn9Ni4N
X53CrMnNiN21-9
SZ13
50H21G9N4
53NNiMnCr210
17465
STR35
STR36


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]

  55KH20G9АN4   ( 55Х20Г9АН4 ) - High alloy 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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