ГОСТ BЖЛ12Э

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ГОСТ BЖЛ12Э

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BЖЛ12Э Application:High temperature alloy castings

Chemical composition(mass fraction)(wt.%) of the BЖЛ12Э
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Co(%) Pb(%) B(%) Nb(%) Al(%) Ti(%)
0.12- 0.20 0.4 0.4 Max 0.015 0.015 8.5- 10.0 Balance 2.7- 3.4 0.5- 1.0 1.0- 1.8 8.0- 10.0 Max 0.001 0.015 0.5- 1.0 5.0- 5.7 4.2- 4.7

Mechanical properties of grade BЖЛ12Э

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
679 (≥) 132 (≥) 43 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical properties of grade BЖЛ12Э

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
812 (≥) 725 (≥) 42 34 42 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
- - -
498 738 461 - - -

BЖЛ12Э 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