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B.S. X15CrNiSi25-21 Details

X15CrNiSi25-21 Application:Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire

Category Type Grade Designations
Grades Stainless Steels X15CrNiSi25-21 UK - B.S. , BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels
BS EN 10095 - Heat resisting steels and nickel alloys
BS EN 10264-4 (2002) - Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire

Chemical composition(wt.%) of X15CrNiSi25-21 grade: BS EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si 1.50 2.50
Mn - 2.00
P - 0.045
S - 0.015
Cr 24.00 26.00
Ni 19.00 22.00
Al - -
N - 0.11
Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire

Mechanical properties of grade X15CrNiSi25-21 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)
158 (≥) 681 (≥) 13 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade X15CrNiSi25-21 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
464 (≥) 696 (≥) 24 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
632 325 939

X15CrNiSi25-21 - 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
X15CrNiSi25-21 B.S. UK
Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire
1.4841 B.S. UK
Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire
X15CrNiSi25-21 ISO International
Heat-resistant steels

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