BX9Л Stainless Steels

BX9Л - Specification & Application

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

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

BX9Л - Detail

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)
923 (≥) 847 (≥) 24 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

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
817 (≥) 278 (≥) 42 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
368 128 652

Equivalent Products

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