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Description

Russia GOST BX4Л Specialsteel Russia TY standard grades and chemical compositions of the high temperature alloy castings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: BX4Л
Category Class Grade Standard Country Application
Steel GradesSpecialsteel BX4Л GOST Russia Russia TY standard grades and chemical compositions of the high temperature alloy castings

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

C Cr Al Mo Ti Co W Ni Nb Fe B Ce V Zr Mn Si S P Y Ca
0.03 -0.10 32.00 -35.00 0.70 -1.30 2.30 -3.50 0.70 -1.30 ≤ ≥ 4.30 -5.50 ≤remaining 0.70 -1.30 ≤0.50 ≤0.008 ≤0.03 ≤ ≥ ≤ ≥ ≤0.50 ≤0.30 ≤0.010 ≤0.015 ≤0.04 ≤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)
488 (≥) 244 (≥) 12 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

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
21 - -     0.21 -  
439 969 - 42.3 211   -  
474 - 22 12.2   441 412

Heat Treatment of steel grade BX4Л

Heat treated : 1365°C - 1483°C

Technological Curves of steel grade BX4Л

Cross Reference Table (Equivalent Grade) of BX4Л

Grade Standard Country Application
BX4Л

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