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AFNOR X12Ni5 Details

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

AFNOR X12Ni5 Standard Download

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X12Ni5 Application:Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Category Type Grade Designations
Grades Stainless Steels X12Ni5 France - AFNOR , 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
Chemical composition(mass fraction)(wt.%)
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
Mechanical properties of grade X12Ni5
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)
211 (≥) 823 (≥) 41 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Physical properties of grade X12Ni5
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
338 (≥) 226 (≥) 24 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
696 548 167
X12Ni5 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
X12Ni5 AFNOR France
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.5680 AFNOR France
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties