X12Ni5 Stainless Steels to NF EN 10028-4

X12Ni5 - Specification & Application

  • NF EN 10028-4 - Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties
  • NF EN 10216-4 - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Non-alloy and alloy steel tubes with specified low temperature properties
  • NF EN 10222-3 - Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties
  • 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 X12Ni5 grade: to NF EN 10028-4

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 0.35
Mn 0.30 0.80
P - 0.020
S - 0.010
Cr - -
Ni 4.75 5.25
Mo - -
V - 0.05

X12Ni5 - Detail

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

Mechanical properties of grade X12Ni5 NF EN 10028-4

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)
213 (≥) 382 (≥) 12 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade X12Ni5 NF EN 10028-4

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
942 (≥) 963 (≥) 31 12 32 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
516 447 634

Equivalent Grade

Equivalent Products

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