BX9Л-BИ Stainless Steels

BX9Л-BИ - Specification & Application

Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Chemical composition(wt.%) of BX9Л-BИ grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.02 0.10
Cr 30.00 35.00
Ni - remaining
Co 0.20 0.80
Mo 2.90 3.50
W 4.70 5.50
Al 1.00 1.60
Ti 0.70 1.30
Nb 0.70 1.30
Fe - 0.60

BX9Л-BИ - Detail

Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Mechanical properties of grade BX9Л-BИ

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)
263 (≥) 477 (≥) 12 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade BX9Л-BИ

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
747 (≥) 134 (≥) 13 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
243 225 158

Equivalent Products

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