1.4578 Stainless Steels to BS EN 10088-1

1.4578 - Specification & Application

  • 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

Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels

Chemical composition(wt.%) of 1.4578 grade: to BS EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn - 1.00
P - 0.045
S - 0.015
Cr 16.50 17.50
Ni 10.00 11.00
Mo 2.00 2.50
N - 0.11
Cu 3.00 3.50

1.4578 - Detail

Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels

Mechanical properties of grade 1.4578 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)
639 (≥) 527 (≥) 14 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade 1.4578 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
615 (≥) 758 (≥) 22 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
765 866 798

Equivalent Products

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