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GOST BX9Л Details

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BX9Л Application:Russia TY standard grades and chemical compositions of the high temperature alloy castings

Category Type Grade Designations
Grades Stainless Steels BX9Л Russia - GOST ,

Chemical composition(wt.%) of BX9Л grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.02 0.10
Cr 30.00 35.00
Al 1.00 1.60
Mo 2.90 3.50
Ti 0.70 1.30
Co 0.20 0.80
W 4.70 5.30
Ni - remaining
Nb 0.70 5.30
Fe - 6.00
B - 0.005
Ce - 0.03
V - -
Zr - -
Mn - 0.50
Si - 0.40
S - 0.010
P - 0.015
Y - 0.04
Ca - 0.02
Russia TY standard grades and chemical compositions of the high temperature alloy castings

Mechanical properties of grade BX9Л

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
769 (≥) 395 (≥) 31 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade BX9Л

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
657 (≥) 511 (≥) 22 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
216 568 437

BX9Л - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
BX9Л-BИ GOST Russia
Russia GOCT Standard vacuum smelting casting high temperature alloy bar
BX9Л-BИ GOST Russia
Russia GOCT Standard vacuum smelting casting high temperature alloy bar
BX9Л GOST Russia
Russia TY standard grades and chemical compositions of the high temperature alloy castings

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