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EN 1.4501 (X2CrNiMoCuWN25-7-4) Stainless Steel

Duplex Stainless Steels

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength830MPa
Yield Strength530MPa
Brinell Hardness290HB
Maximum Service Temperature1100°C
Weight Calculator

Chemical Composition

C
0 to 0.030%
CR
24 to 26%
NI
6.0 to 8.0%
MO
3.0 to 4.0%
MN
0 to 1.0%
SI
0 to 1.0%
N
0.2 to 0.3%
P
0 to 0.035%
S
0 to 0.015%
CU
0.5 to 1.0%
W
0.5 to 1.0%
FE
57.6 to 65.8%

Mechanical

A - Min. elongation at fracture (%) (+A)
25
+A
A - Min. elongation at fracture (%) longitud., (+AT)
20
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
27 %
Fatigue Strength
430 MPa
Impact Strength: V-Notched Charpy
90 J
KV - Impact energy (J) longitud., (+AT)
+20° 100
+AT
KV - Impact energy (J) transverse, (+A)
+20° 90
+A
KV - Impact energy (J) transverse, (+A)
-40° 40
+A
KV - Impact energy (J) transverse, (+AT)
+20° 100
+AT
KV - Impact energy (J) transverse, (+AT)
-40° 40
+AT
Poisson's Ratio
0.27
R p0.2 0.2% proof strength (MPa) (+A)
530
+A
R p0.2 0.2% proof strength (MPa) (+AT)
550
+AT
Rm - Tensile strength (MPa) (+A)
730-930
+A
Rm - Tensile strength (MPa) (+AT)
800-1000
+AT
Shear Modulus
80 GPa
Shear Strength
540 MPa
Tensile Strength: Ultimate (UTS)
830 MPa
Tensile Strength: Yield (Proof)
600 MPa

Hardness

Brinell Hardness
250
Brinell hardness (HB): (+A)
290
+A
Brinell hardness (HB): (+AT)
310
+AT

Physical

Density
7.9 g/cm 3

Thermal

Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.0 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
22 points

Electrical

Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS

Calculated

PREN (Pitting Resistance)
42
Resilience: Ultimate (Unit Rupture Work)
210 MJ/m 3
Resilience: Unit (Modulus of Resilience)
870 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
29 points
Strength to Weight: Bending
25 points

Environmental

Base Metal Price
22 % relative
Embodied Carbon
4.1 kg CO 2 /kg material
Embodied Energy
57 MJ/kg
Embodied Energy
57 MJ/kg 25 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 21 gal/lb
Registered Designations & Aliases
1.45011.4501EN 1.4501 (X2CrNiMoCuWN25-7-4) Stainless SteelX2CrNiMoCuWN25-7-4X2CrNiMoCuWN25-7-4
Standards

EN 10028-7 EN 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels

EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels

EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels

EN 10088-2 EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-3 EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

EN 10088-3 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

EN 10216-5 EN 10216-5: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes

EN 10217-7 EN 10217-7: 2005 Welded steel tubes for pressure purposes. Stainless steel tubes

EN 10250-4 EN 10250-4: 2000 Open steel die forgings for general engineering purposes. Stainless steels

EN 10250-4 EN 10250-4: Open die steel forgings for general engineering purposes - Part 4: Stainless steels

EN 10253-3 EN 10253-3: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements

EN 10253-4 EN 10253-4: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements

EN 10272 EN 10272: 2007 Stainless steel bars for pressure purposes

EN 10272 EN 10272: Stainless steel bars for pressure purposes

EN 10272 EN 10272: Stainless steel bars for pressure purposes EN 10250-4: Open die steel forgings for general engineering purposes - Part 4: Stainless steels Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes 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 EN 10088-1: Stainless steels - Part 1: List of stainless steels Corrosion of Stainless Steels, A. John Sedriks, 1996

EN 10297-2 EN 10297-2: 2005 Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions