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B.S. X5CrNiCuNb16-4 Details

X5CrNiCuNb16-4 Application:Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Category Type Grade Microstructure Designations
Grades Stainless Steels X5CrNiCuNb16-4 Precipitation-Hardening UK - B.S. , BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels
BS EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
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 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction 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 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Chemical composition(wt.%) of X5CrNiCuNb16-4 grade: BS EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 0.70
Mn - 1.50
P - 0.04
S - 0.015
Cr 15.00 17.00
Ni 3.00 5.00
Mo - 0.60
Nb+Ta 5×C 0.45
Cu 3.00 5.00
Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Mechanical properties of grade X5CrNiCuNb16-4 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)
963 (≥) 724 (≥) 44 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical properties of grade X5CrNiCuNb16-4 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
515 (≥) 358 (≥) 23 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 331
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
871 342 634

X5CrNiCuNb16-4 - 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
X5CrNiCuNb16-4 B.S. UK
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
1.4542 B.S. UK
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
X5CrNiCuNb16-4 AFNOR France
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
1.4542 AFNOR France
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
X5CrNiCuNb16-4 ISO International
Stainless steels - Chemical composition
17-4PH, 1.4542, X5CrNiCuNb16-4 AMS USA
Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4)

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