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AFNOR 1.4406 Details

1.4406 Application:Stainless steel bars for pressure purposes

Category Type Grade Microstructure Designations
Grades Stainless Steels 1.4406 Austenite 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
NF EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
NF EN 10088-5 - Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
NF EN 10222-5 - Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
NF EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels
NF EN 10272 - Stainless steel bars for pressure purposes

Chemical composition(wt.%) of 1.4406 grade: NF EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.015
Cr 16.50 18.50
Mo 2.00 2.50
Ni 10.00 12.00
N 0.12 0.22
Stainless steel bars for pressure purposes

Mechanical properties of grade 1.4406 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)
724 (≥) 548 (≥) 12 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade 1.4406 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
483 (≥) 668 (≥) 41 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
682 833 544

1.4406 - 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
1.4406 DIN Germany
DIN 1654-5 (1989) Cold heading and cold extruding steels; technical delivery conditions for stainless steels; Replaced by DIN EN 10263-5:2002
X2CrNiMoN17-11-2 DIN Germany
DIN 1654-5 (1989) Cold heading and cold extruding steels; technical delivery conditions for stainless steels; Replaced by DIN EN 10263-5:2002
X2CrNiMoN17-11-2 B.S. UK
Stainless steel bars for pressure purposes
1.4406 B.S. UK
Stainless steel bars for pressure purposes
X2CrNiMoN17-11-2 AFNOR France
Stainless steel bars for pressure purposes
1.4406 AFNOR France
Stainless steel bars for pressure purposes
X2CrNiMoN17-11-2 ISO International
Stainless steels - Chemical composition

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