GOST BX9Л

Grades | Stainless Steels | BX9Л

GOST BX9Л

PDF | Word | Print

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

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

Mechanical properties of grade BX9Л

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
195 (≥) 498 (≥) 12 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

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
627 (≥) 573 (≥) 32 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
219 359 164 - - -

BX9Л Range of products
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