Location » Home » Grades > Stainless Steels > 1.4418

AFNOR 1.4418 Details

1.4418 Application:Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa

Category Type Grade Microstructure Designations
Grades Stainless Steels 1.4418 Precipitation-Hardening 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 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels
NF EN 10272 - Stainless steel bars for pressure purposes
NF EN 4629 - Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Forging stock - De = 300 mm
NF EN 4631 - Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa

Chemical composition(wt.%) of 1.4418 grade: NF EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.06
Si - 0.70
Mn - 1.50
P - 0.040
S - 0.015
Cr 15.00 17.00
Mo 0.80 1.50
Ni 4.00 6.00
N 0.020 -
Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa

Mechanical properties of grade 1.4418 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)
224 (≥) 882 (≥) 31 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade 1.4418 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
711 (≥) 893 (≥) 44 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
984 273 613

1.4418 - 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
X4CrNiMo16-5-1 B.S. UK
Stainless steel bars for pressure purposes
1.4418 B.S. UK
Stainless steel bars for pressure purposes
X4CrNiMo16-5-1 AFNOR France
Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa
1.4418 AFNOR France
Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa

Enquiry