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Characteristics for grade     20KH21N46V8RL   ( 20Х21Н46В8РЛ )



      Grade :     20KH21N46V8RL   ( 20Х21Н46В8РЛ )
      Classification :   Casting alloy steel with specific properties
      Equivalent grades:     Is absent



Chemical composition in % for grade   20KH21N46V8RL   ( 20Х21Н46В8РЛ )
Fe C Si Mn Ni S P Cr W B
19.015 - 30.40.1 - 0.250.2 - 0.80.3 - 0.843 - 48max   0.035max   0.0419 - 227 - 9max   0.06


Mechanical properties under Т=20oС for grade   20KH21N46V8RL   ( 20Х21Н46В8РЛ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 977-88     441   6 8294 


Heat treatment of the material   20KH21N46V8RL   ( 20Х21Н46В8РЛ )
Aging 890 - 910 ° C, 5 hours , Air cooling



Types of delivery of grade   20KH21N46V8RL   ( 20Х21Н46В8РЛ )
B82 - Steel Castings


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]

  20KH21N46V8RL   ( 20Х21Н46В8РЛ ) - Casting alloy steel with specific properties: 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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