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AFNOR 1.4520 Details

1.4520 Application:Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

Category Type Grade Microstructure Designations
Grades Stainless Steels 1.4520 Ferrite France - AFNOR , 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 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
NF EN 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

Chemical composition(wt.%) of 1.4520 grade: NF EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.025
Si - 0.50
Mn - 0.50
P - 0.040
S - 0.015
Cr 16.00 18.00
Mo - -
Ni - -
Ti 0.30 0.60
N - 0.015
Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

Mechanical properties of grade 1.4520 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)
418 (≥) 392 (≥) 24 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade 1.4520 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
373 (≥) 346 (≥) 43 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
598 194 512

1.4520 - 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
X2CrTi17 AFNOR France
Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
1.4520 AFNOR France
Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

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