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B.S. X3CrNiCu18-9-4 Details

X3CrNiCu18-9-4 Application:Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Category Type Grade Microstructure Designations
Grades Stainless Steels X3CrNiCu18-9-4 Austenite UK - B.S. , BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels
BS EN 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
BS EN 10088-5 - Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
BS EN 10263-5 - Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
BS EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(wt.%) of X3CrNiCu18-9-4 grade: BS EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.015
Cr 17.00 19.00
Ni 8.50 10.50
Mo - -
N - 0.11
Cu 3.00 4.00
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Mechanical properties of grade X3CrNiCu18-9-4 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)
688 (≥) 783 (≥) 32 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade X3CrNiCu18-9-4 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
728 (≥) 171 (≥) 13 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
882 423 844

X3CrNiCu18-9-4 - 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
X3CrNiCu18-9-4 B.S. UK
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.4567 B.S. UK
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
X3CrNiCu18-9-4 ISO International
Stainless steels - Chemical composition
X3CrNiCu18-9-4, 1.4567, 1.4560, X3CrNiCu19-9-2 EN European
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties, used in the chemical, petrochemical, pharmaceutical, machine industries (hydraulic systems) and food industry for valves, flanges, pump parts, springs, heat

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