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Description

Russia ГОСТ BX9Л High temperature alloy castings and BX9Л Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: BX9Л
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy BX9Л ГОСТ Russia High temperature alloy castings
ЖC3ЛK
ЖC6K
BЖЛ8
BЖЛ12y
BЖЛ12Э
BЖЛl4
BЖЛ14H
BX4Л
25-20Л
22-11-2.5

Chemical composition(mass fraction)(wt.%) of the BX9Л

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Fe(%) Other(%)
0.02- 0.1 0.4 0.5 Max 0.015 0.01 30.0- 35.0 Balance 2.9- 3.5 4.7- 5.3 0.2- 0.8 0.005 0.7- 5.3 1.0- 1.6 0.7- 1.3 Max 6.0 Ca 0.02

Mechanical Properties of steel grade BX9Л

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
855 (≥) 336 (≥) 34 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade BX9Л

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
23 - -     0.34 -  
884 886 - 42.3 321   -  
163 - 43 43.2   312 431

Heat Treatment of steel grade BX9Л

Heat treated : 1983°C - 1697°C

Technological Curves of steel grade BX9Л

Cross Reference Table (Equivalent Grade) of BX9Л

Grade Standard Country Application
BX9Л-BИ ГОСТ Russia Vacuum melting of casting high temperature alloy rod
BX9Л-BИ ГОСТ Russia Standard vacuum smelting casting high temperature alloy
BX9Л ГОСТ Russia High temperature alloy castings

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