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Characteristics for grade     20KHGNM   ( 20ХГНМ )

      Grade :     20KHGNM   ( 20ХГНМ )
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here
Grade   20KHGNM   ( 20ХГНМ ):   supplier   Auremo   www.auremo.biz
Sale:   Russia +7 (812) 680-16-77 ,   Germany +49 (208) 205-83-073,     info [a] auremo.org



Chemical composition in % for grade   20KHGNM   ( 20ХГНМ )
C Si Mn Ni S P Cr Mo Cu
0.18 - 0.230.17 - 0.370.7 - 1.10.4 - 0.7max   0.035max   0.0350.4 - 0.70.15 - 0.25max   0.3


Mechanical properties under Т=20oС for grade   20KHGNM   ( 20ХГНМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
 , GOST 4543-71     1180-1570930 7  590Guenching 860oC, oil, Drawing 150 - 180oC, air,


Equivalent steels for grade     20KHGNM   ( 20ХГНМ )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalySpainChinaSwedenPolandFinlandAustraliaSouth Korea
-DIN,WNrJIS AFNORBSEN UNIUNEGBSSPNSFSASKS
8617
8620
8620H
8620RH
G86170
G86200
H86170
H86200
J11442
K12147
1.6523
21NiCrMo2
21NiCrMo2-2
SNCM220
SNCM220H
20NCD2
20NiCrMo2
22NCD2
20NiCrMo2-2
805H20
805M20
806M20
1.6523
20MoCr2-2
20NiCrMo2
20NiCrMo2-2
20NiCrMo2KD
20NiCrMo2
20NiCrMo2
20NiCrMo2-2
20NiCrMo3-1
20CrNiMo
20CrNiMoH
G20CrNiMo
2506
20HNM
20HNMA
21NiCrMo2
8617
8617H
8620
8620H
SNCM220
SNCM220H

Types of delivery of grade   20KHGNM   ( 20ХГНМ )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling


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]

  20KHGNM   ( 20ХГНМ ) - Alloy structurall 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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