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AFNOR NiCr20TiAI Details

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

AFNOR NiCr20TiAI Standard Download

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NiCr20TiAI Application:Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Category Type Grade Designations
Grades Superalloys NiCr20TiAI France - AFNOR , 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 0.04 0.10
Si - 1.00
Mn - 1.00
P - 0.020
S - 0.015
Cr 18.00 21.00
Ni 65.00 -
Mo - -
Ti 1.80 2.70
Co 0.60 0.80
Al 1.00 1.80
Fe - 1.50
Cu - 0.20
Mechanical properties of grade NiCr20TiAI
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)
349 (≥) 463 (≥) 41 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Physical properties of grade NiCr20TiAI
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
255 (≥) 413 (≥) 42 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
468 369 516
NiCr20TiAI 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
NiCr20TiAI AFNOR France
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties