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B.S. 2.4889 Details

Heat resisting steels and nickel alloys

B.S. 2.4889 Standard Download

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2.4889 Application:Heat resisting steels and nickel alloys
Category Type Grade Designations
Grades Stainless Steels 2.4889 UK - B.S. , BS EN 10095 - Heat resisting steels and nickel alloys
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.05 0.12
Si 2.50 3.00
Mn - 1.00
P - 0.020
S - 0.015
Cr 26.00 29.00
Ni 45.00 -
Al - -
Fe 21.00 25.00
Cu - 0.30
Ce 0.03 0.09
Mechanical properties of grade 2.4889
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)
844 (≥) 883 (≥) 14 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Physical properties of grade 2.4889
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
311 (≥) 229 (≥) 33 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
748 518 233
2.4889 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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
NiCr28FeSiCe B.S. UK
Heat resisting steels and nickel alloys
2.4889 B.S. UK
Heat resisting steels and nickel alloys