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Characteristics for grade     15Kh5M   ( 15Х5М )

      Grade :   15Kh5M   ( 15Х5М ) (   Х5М   )
      Classification :   Low alloy high-temperature steel
      Equivalent grades:   Go here



Chemical composition in % for grade   15Kh5M   ( 15Х5М )
C Si Mn Ni S P Cr Mo W V Ti Cu
max   0.15max   0.5max   0.5max   0.6max   0.025max   0.034.5 - 60.45 - 0.6max   0.3max   0.05max   0.03max   0.2


Temperature of critical points for grade   15Kh5M   ( 15Х5М ).
Ac1 = 815 ,      Ac3(Acm) = 848 ,       Ar3(Arcm) = 775 ,       Ar1 = 718


Mechanical properties under Т=20oС for grade   15Kh5M   ( 15Х5М )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe hot strain, GOST 550-75     392 216 22 501180 
Bar, GOST 20072-74 Ø 90   390 215 22 501180Annealing 840 - 860oC,Cooling oven,
Sheet trick, GOST 7350-77     470 235 18   Annealing 840 - 870oC,Cooling air,


    Brinell hardness for     15Kh5M   ( 15Х5М )   (hot-rolled, annealing) ,       GOST 20072-74 HB 10 -1 = 217   MPa
    Brinell hardness for     15Kh5M   ( 15Х5М )   ,     Pipe GOST 550-75 HB 10 -1 = 170   MPa


Technological properties for grade   15Kh5M   ( 15Х5М )
  Weldability: hard weldability.
 Flakes : predisposed
Temper brittleness: not predisposed


Physical properties for grade   15Kh5M   ( 15Х5М )
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 2.11     7750   430
100   11.3 37 7730 483  
200   11.6 36 7700    
300   11.9 35 7670    
400 1.78 12.2 34 7640    
500 1.45 12.3 33 7610    
600 1.02 12.5   7580    
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     15Kh5M   ( 15Х5М )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEuropeanItalyChinaHungaryPolandRomaniaCzechia
-DIN,WNrJIS AFNOREN UNIGBMSZPNSTASCSN
501
502
K41545
S50100
S50200
T12005
T51605
1.7362
12CrMo19-5
T5
X12CrMo5
SFVAB5A
STBA25
STC48
STFA25
STPA25
710CD5-05
Z15CD5-05
Z20CD5
1.7362
5CrMo16
X12CrMo5
A16CrMo25-5KG
A16CrMo25-5KW
10MoCr50
12CrMo20-5
H5M
10MoCr50
17102


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

  15Kh5M   ( 15Х5М ) - 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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