X5CrNiCuNb16-4 Stainless Steels to BS EN 10088-1

X5CrNiCuNb16-4 - Specification & Application

  • 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

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

Chemical composition(wt.%) of X5CrNiCuNb16-4 grade: to 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

X5CrNiCuNb16-4 - Detail

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)
676 (≥) 417 (≥) 12 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

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
588 (≥) 533 (≥) 41 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
176 582 447
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