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AFNOR X8CrNiMoAl15-7-2 Details

X8CrNiMoAl15-7-2 Application:Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

Category Type Grade Microstructure Designations
Grades Stainless Steels X8CrNiMoAl15-7-2 Precipitation-Hardening France - AFNOR , NF EN 10088-1 - Stainless steels - Part 1: List of stainless steels
NF EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

Chemical composition(wt.%) of X8CrNiMoAl15-7-2 grade: NF EN 10088-1

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.01
Si - 0.70
Mn - 1.20
P - 0.040
S - 0.015
Cr 14.00 16.00
Mo 2.00 3.00
Ni 6.50 7.50
Al 0.70 1.50
Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

Mechanical properties of grade X8CrNiMoAl15-7-2 NF 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)
821 (≥) 542 (≥) 34 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade X8CrNiMoAl15-7-2 NF 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
579 (≥) 442 (≥) 41 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
589 753 839

X8CrNiMoAl15-7-2 - Form of Supply

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
X8CrNiMoAl15-7-2 AFNOR France
Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
1.4532 AFNOR France
Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
X8CrNiMoAl15-7-2 ISO International
Stainless steels - Chemical composition

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