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B.S. 1.4724 Details

1.4724 Application:Heat resisting steels and nickel alloys

Category Type Grade Designations
Grades Stainless Steels 1.4724 UK - B.S. , BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels
BS EN 10095 - Heat resisting steels and nickel alloys

Chemical composition(wt.%) of 1.4724 grade: BS EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si 0.70 1.40
Mn - 1.00
P - 0.040
S - 0.015
Cr 12.00 14.00
Ni - -
Al 0.70 1.20
Heat resisting steels and nickel alloys

Mechanical properties of grade 1.4724 BS EN 10088-1

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)
566 (≥) 989 (≥) 41 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade 1.4724 BS EN 10088-1

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
824 (≥) 458 (≥) 13 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
236 973 667

1.4724 - Form of Supply

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
X10CrAlSi13 B.S. UK
Heat resisting steels and nickel alloys
1.4724 B.S. UK
Heat resisting steels and nickel alloys
X10CrAlSi13 ISO International
Heat-resistant steels
X6Cr17 ISO International
Stainless steels - Chemical composition

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