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Characteristics for grade     35KhM   ( 35ХМ )

      Grade :     35KhM   ( 35ХМ )
      Substitute:   40Х, 40ХН, 30ХМ, 35ХГСА
      Classification :   Relaxation-resistant steel
      Equivalent grades:   Go here



Chemical composition in % for grade   35KhM   ( 35ХМ )
C Si Mn Ni S P Cr Mo Cu
0.32 - 0.40.17 - 0.370.4 - 0.7max   0.3max   0.035max   0.0350.8 - 1.10.15 - 0.25max   0.3


Temperature of critical points for grade   35KhM   ( 35ХМ ).
Ac1 = 755 ,      Ac3(Acm) = 800 ,       Ar3(Arcm) = 750 ,       Ar1 = 695


Mechanical properties under Т=20oС for grade   35KhM   ( 35ХМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71 Ø 25   930 835 12 45780Guenching and drawing
Forging max thickness 100 longitudinal 950 750 13 42650Guenching 850 - 880oC, oil, Drawing 585 - 650oC,
Forging max thickness 120 longitudinal 900 710 13 42650Guenching 850 - 880oC, oil, Drawing 585 - 650oC,
Forging max thickness 150 longitudinal 800 600 14 45650Guenching 850 - 880oC, oil, Drawing 585 - 650oC,
Forging max thickness 200 longitudinal 700 500 16 45600Guenching 850 - 880oC, oil, Drawing 585 - 650oC,


    Brinell hardness for     35KhM   ( 35ХМ )   (annealing) ,       GOST 4543-71 HB 10 -1 = 241   MPa


Technological properties for grade   35KhM   ( 35ХМ )
  Weldability: limited weldability.
 Flakes : predisposed
Temper brittleness: not predisposed


Physical properties for grade   35KhM   ( 35ХМ )
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     7820   328
100 2.16 12.3 40.6 7800 462 360
200   12.6 39.8 7770    
300 2.05 12.9 38.5 7740   425
400 1.95 13.9 37.3 7700   523
500 1.86 14.4   7660   628
600   14.6        
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     35KhM   ( 35ХМ )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalyBelgiumSpainChinaSwedenBulgariaHungaryPolandRomaniaCzechiaFinlandAustriaSouth Korea
-DIN,WNrJIS AFNORBSEN UNINBNUNEGBSSBDSMSZPNSTASCSNSFSONORMKS
4135
4135H
4137
4137H
G41300
G41350
G41370
J13048
1.7220
34CrMo4
34CrMoS4
42CrMo4
GS-34CrMo4
SCCrM3
SCM3
SCM430
SCM432
SCM435
SCM435H
SCM440H
34CD4
34CD4FF
34CrMo4
34CrMo4RR
35CD4
38CD4
34CrMo4
708A37
1.7220
1.7225
34CrMo4
34CrMo4KD
42CrMo4
30CrMo4
34CrMo4
34CrMo4KB
35CrMo4
35CrMo4F
34CrMo4
34CrMo4
35CrMo4
35CrMo4DF
AM34CrMo4
F.1250
F.1254
F.8231
F.8331
35CrMo
ML35CrMo
ZG35CrMo
2234
30ChML
34CrMo4
35ChM
34CrMo4
CMo3Z
35HM
35HMA
L35HM
33MoCr11
34MoCr11
34MoCr11AS
34MoCr11q
15131
G-34CrMo4
BOHLERV330
SCCrM3
SCM432
SCM435
SCM435H
SCM435TK


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

  35KhM   ( 35ХМ ) - Relaxation-resistant 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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