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Characteristics for grade     38KHM   ( 38ХМ )

      Grade :     38KHM   ( 38ХМ )
      Substitute:   38ХВ
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here



Chemical composition in % for grade   38KHM   ( 38ХМ )
C Si Mn Ni S P Cr Mo Cu
0.35 - 0.420.17 - 0.370.35 - 0.65max   0.3max   0.035max   0.0350.9 - 1.30.2 - 0.3max   0.3


Mechanical properties under Т=20oС for grade   38KHM   ( 38ХМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71 Ø 25   980 885 11 45690Guenching 850oC, oil, Drawing 580oC, air,


    Brinell hardness for     38KHM   ( 38ХМ )   (annealing) ,       GOST 4543-71 HB 10 -1 = 241   MPa


Equivalent steels for grade     38KHM   ( 38ХМ )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalySpainChinaSwedenBulgariaPolandRomaniaCzechiaAustria
-DIN,WNrJIS AFNORBSEN UNIUNEGBSSBDSPNSTASCSNONORM
G41400
G41420
G41500
Gr.4140
H41400
J14047
1.7225
41CrMo4
42CrMo4
GS-42CrMo4
SCM440
42CD4
42CD4FF
42CrMo4
A35-590
42CrMO4
50CrMo4
708M40
709M40
1.7202
1.7225
37CrMo4
41CrMo4
42CrMo4
38CrMo4KB
42CrMo4
42CrMo4
42CrMoS4
42CrMo
2244
38ChM
40ChML
40HM
41MoCr11
42MoCr11
15142
42CrMo4SP
BOHLERV320

Types of delivery of grade   38KHM   ( 38ХМ )
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]

  38KHM   ( 38ХМ ) - 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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