1.4742 Stainless Steels to BS EN 10088-1

1.4742 - Specification & Application

  • BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • BS EN 10095 - Heat resisting steels and nickel alloys

Heat resisting steels and nickel alloys

Chemical composition(wt.%) of 1.4742 grade: to BS EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si 0.70 1.40
Mn - 1.00
P - 0.040
S - 0.015
Cr 17.00 19.00
Ni - -
Al 0.70 1.20

1.4742 - Detail

Heat resisting steels and nickel alloys

Mechanical properties of grade 1.4742 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)
155 (≥) 694 (≥) 41 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical properties of grade 1.4742 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
561 (≥) 716 (≥) 12 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
461 492 294

Equivalent Products

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