Grades | Stainless Steels | S47450

GB S47450

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S47450 Application:Steels of blade for steam turbine

Chemical composition(mass fraction)(wt.%) of the S47450
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.1500 0.2000
Mn 0.5000 0.8000
P - 0.0200
S - 0.0150
Si - 0.5000
Ni 0.3000 0.6000
Cr 10.0000 12.0000
Mo 0.6000 0.9000
Cu - 0.1000
V 0.2000 0.3000
Al - 0.0300
N 0.0400 0.0900
Nb 0.2000 0.6000

Mechanical properties of grade S47450

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
586 (≥) 863 (≥) 33 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical properties of grade S47450

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
531 (≥) 579 (≥) 22 22 24 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
- - -
241 521 434 - - -

S47450 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