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Characteristics for grade     15KhM   ( 15ХМ )

      Grade :     15KhM   ( 15ХМ )
      Classification :   Low alloy high-temperature steel
      Equivalent grades:   Go here



Chemical composition in % for grade   15KhM   ( 15ХМ )
C Si Mn Ni S P Cr Mo Cu
0.11 - 0.180.17 - 0.370.4 - 0.7max   0.3max   0.035max   0.0350.8 - 1.10.4 - 0.55max   0.3


Temperature of critical points for grade   15KhM   ( 15ХМ ).
Ac1 = 740 ,      Ac3(Acm) = 875


Mechanical properties under Т=20oС for grade   15KhM   ( 15ХМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe, GOST 8731-87     431 225 21    
Bar   longitudinal 540 350 25 672700Normalizing 900 - 920oC,Drawing 630 - 650oC, air,
Bar, GOST 4543-71 Ø 30   440 275 21 551180Guenching 880oC, air, Drawing 650oC, air,


    Brinell hardness for     15KhM   ( 15ХМ )   (annealing) ,       GOST 4543-71 HB 10 -1 = 179   MPa


Technological properties for grade   15KhM   ( 15ХМ )
  Weldability: without limitations.
 Flakes : predisposed
Temper brittleness: not predisposed


Physical properties for grade   15KhM   ( 15ХМ )
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 2.05     7850    
100   12.2 44 7830 487  
200   13 41 7800    
300   13.3 41 7760    
400   13.7 39 7730    
450 1.72          
500   14 36 7700    
600   14.3 34 7660    
700   14.5        
800   13.4 29      
900   11.2 29      
1000   12.5        
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     15KhM   ( 15ХМ )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalyBelgiumSpainChinaSwedenBulgariaHungaryPolandRomaniaCzechiaAustriaSouth Korea
-DIN,WNrJIS AFNORBSEN UNINBNUNEGBSSBDSMSZPNSTASCSNONORMKS
A387Gr.12Cl.2
K11562
K11564
K11572
K11597
K11757
K11789
K12062
1.7262
1.7335
1.7337
13CrMo4-4
13CrMo4-5
15CrMo5
16CrMo4-4
SCM415
SCM415H
SFVAF12
STBA20
STBA22
STFA22
STPA20
STPA22
12CD4
13CrMo4-5
14CrMo4-5
15CD3.5
15CD4.05
15CD4.5
13CrMo4-5
1501-620
1501-621
620-440
620-470
620-540
1.7335
13CrMo4-5
13CrMo4-5
14CrMo3
16CrMo3
18CrMo45KG
18CrMo45KW
A18CrMo4-5KW
B18CrMo4-5KG
14CrMo45
12CrMo4
14CrMo4-5
F.2631
12CrMo
12CrMoG
15CrMo
15CrMog
15CrMoR
2216
13CrMo4-5
14ChM
15ChM
13CrMo4-5
KL9
15HM
14CrMo4
15121
13CrMo4-4KW
SFVAF12
STHA20
STHA22


Assortment for grade   15KhM   ( 15ХМ )
B03 - Metal forming treatment. Forgings
  GOST   8479 - 70 Construction carbon and alloy steel forgings
В22 - Graded and shaped rolling
  GOST   1133 - 71 Forged round and square steel
  GOST   2590 - 2006 Steel hot-rolled round bars
  GOST   2591 - 2006 Steel hot-rolled square bars
  GOST   2879 - 2006 Hot-rolled hexagonal steel
B23 - Sheets and Strips
  GOST   103 - 2006 Hot-rolled steel strip
В32 - Graded and shaped rolling
  GOST   8560 - 78 Steel calibrated, hexahedronal
  GOST   8559 - 75 Calibrated square steel
  GOST   7417 - 75 Calibrated round steel
  GOST   4543 - 71 Constructional alloy steel
  GOST   14955 - 77 Quality round steel with special surface finish
  GOST   1051 - 73 Calibrated steel
  GOST   10702 - 78 Fine structural carbon and alloy steel for cold extrusion and upsetting - analogous to DIN 1654-78, ASTM A 29-84
В62 - Steel pipes and connecting parts to them
  GOST   24950 - 81 Bent branches and elbows at line bends for transmission steel pipelines. Specifications
  GOST   30564 - 98 Seamless hot-worked carbon and alloy steel pipes and tubes with special properties
  GOST   30563 - 98 Seamless cold-worked carbon and alloy steel tubes for special purposes
  GOST   23270 - 89 Tubes-billets for mechanical treatment
  GOST   9567 - 75 Precision steel tubes
  GOST   8734 - 75 Seamless steel tubes cold deformed
  GOST   8733 - 74 Seamless cold-deformed and thermal-deformed steell pipes
  GOST   8732 - 78 Seamless hot-deformed steel pipes
  GOST   8731 - 87 Seamless hot-deformed steel pipes
  GOST   53383 - 2009 Hot-deformed seamless steel pipes
В71 - Low-carbon steel wire
  GOST   1526 - 81 Steel zine-coated wire electrik wire and cable armouring


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

  15KhM   ( 15ХМ ) - Low 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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