BX9Л Special Alloy

Chemical composition%of the ladle analysis of gradeBX9Л

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)W(%)Co(%)B(%)Nb(%)Al(%)Ti(%)Other(%)
0.02- 0.10.40.5Max 0.0150.0130.0- 35.0Balance2.9- 3.54.7- 5.30.2- 0.80.0050.7- 5.31.0- 1.60.7- 1.3Ca 0.02
BX9Л

Mechanical properties of gradeBX9Л

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)
846(≥) 466(≥) 44 32 31 Solution and Aging,Annealing,Ausaging,Q+T,etc 122

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
873(≥) 778(≥) 42 11 21 Solution and Aging,Annealing,Ausaging,Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
923 627 666

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