1.4948 Stainless Steels to NF EN 10028-7

1.4948 - Specification & Application

  • NF EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
  • NF EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • NF EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
  • NF EN 10222-5 - Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
  • NF EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(wt.%) of 1.4948 grade: to NF EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.08
Si - 1.00
Mn - 2.00
P - 0.035
S - 0.015
Cr 17.00 19.00
Ni 8.00 11.00
Mo - -
N - 0.11

1.4948 - Detail

Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Mechanical properties of grade 1.4948 NF EN 10028-7

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)
797 (≥) 471 (≥) 33 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade 1.4948 NF EN 10028-7

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
143 (≥) 393 (≥) 34 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
991 296 157

Equivalent Products

We can customize the production of 1.4948 grade, contact us for the best solution.
sales@specificsteel.com