B.S. 2.4951

Grades | Stainless Steels | 2.4951

B.S. 2.4951

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2.4951 Application:Heat resisting steels and nickel alloys

Chemical composition(mass fraction)(wt.%) of the 2.4951
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.08 0.10
Si - 1.00
Mn - 1.00
P - 0.020
S - 0.015
Cr 18.00 21.00
Ni - remaining
Al - 0.30
Ti 0.20 0.60
Fe - 5.00
Cu - 0.50
Co - 5.00

Mechanical properties of grade 2.4951

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
567 (≥) 525 (≥) 32 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical properties of grade 2.4951

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
122 (≥) 578 (≥) 14 22 31 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		 - - -
469 881 822 - - -

2.4951 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