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Description

Russia ГОСТ BX4Л High temperature alloy castings and BX4Л Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: BX4Л
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy BX4Л ГОСТ Russia High temperature alloy castings
BЖ4Л-BИ
BX9Л-BИ
ЖC3
ЖC3ЛK
ЖC6K
BЖЛ8
BЖЛ12y
BЖЛ12Э
BЖЛl4
BЖЛ14H

Chemical composition(mass fraction)(wt.%) of the BX4Л

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) B(%) Nb(%) Al(%) Ti(%) Fe(%) Other(%)
0.03- 0.10 0.3 0.5 Max 0.015 0.01 32.0- 35.0 Balance 2.3- 3.5 4.3- 5.5 0.008 0.7- 1.3 0.7- 1.3 0.7- 1.3 Max 0.5 Ca 0.02

Mechanical Properties of steel grade BX4Л

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)
151 (≥) 588 (≥) 11 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade BX4Л

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
44 - -     0.31 -  
541 569 - 11.3 421   -  
168 - 14 12.2   423 414

Heat Treatment of steel grade BX4Л

Heat treated : 1262°C - 1448°C

Technological Curves of steel grade BX4Л

Cross Reference Table (Equivalent Grade) of BX4Л

Grade Standard Country Application
BX4Л ГОСТ Russia High temperature alloy castings

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