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EN 1.4539 (X1NiCrMoCu25-20-5) Stainless Steel

Austenitic & General Stainless Steels

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength630MPa
Yield Strength260MPa
Brinell Hardness230HB
Maximum Service Temperature1100°C
Weight Calculator

Chemical Composition

C
0 to 0.020%
CR
19 to 21%
NI
24 to 26%
MO
4.0 to 5.0%
MN
0 to 2.0%
SI
0 to 0.7%
N
0 to 0.15%
P
0 to 0.030%
S
0 to 0.010%
CU
1.2 to 2.0%
FE
43.1 to 51.8%

Mechanical

A - Min. elongation at fracture (%) (+A)
30-35
+A
A - Min. elongation at fracture (%) longitud., (+AT)
35
+AT
A - Min. elongation at fracture (%) transverse, (+AT)
30
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
38 %
Fatigue Strength
220 MPa
Impact Strength: V-Notched Charpy
90 J
KV - Impact energy (J) longitud., (+A)
+20° 100
+A
KV - Impact energy (J) longitud., (+AT)
+20° 120
+AT
KV - Impact energy (J) transverse, (+A)
+20° 60
+A
KV - Impact energy (J) transverse, (+A)
-196° 60
+A
KV - Impact energy (J) transverse, (+AT)
+20° 90
+AT
KV - Impact energy (J) transverse, (+AT)
-196° 60
+AT
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+A)
220-260
+A
R p0.2 0.2% proof strength (MPa) (+AT)
220-230
+AT
Rm - Tensile strength (MPa) (+A)
520-730
+A
Rm - Tensile strength (MPa) (+AT)
520-720
+AT
Shear Modulus
79 GPa
Shear Strength
430 MPa
Tensile Strength: Ultimate (UTS)
630 MPa
Tensile Strength: Yield (Proof)
260 MPa

Hardness

Brinell Hardness
200
Brinell hardness (HB): (+A)
230
+A
Brinell hardness (HB): (+AT)
220
+AT

Physical

Density
8.1 g/cm 3

Thermal

Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.2 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points

Electrical

Electrical Conductivity: Equal Volume
1.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.9 % IACS

Calculated

PREN (Pitting Resistance)
36
Resilience: Ultimate (Unit Rupture Work)
190 MJ/m 3
Resilience: Unit (Modulus of Resilience)
160 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
20 points

Environmental

Base Metal Price
31 % relative
Embodied Carbon
5.7 kg CO 2 /kg material
Embodied Energy
78 MJ/kg
Embodied Energy
78 MJ/kg 34 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
1.45391.4539EN 1.4539 (X1NiCrMoCu25-20-5) Stainless SteelX1NiCrMoCu25-20-5X1NiCrMoCu25-20-5
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 10088-4 EN 10088-4: 2009 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes

EN 10088-5 EN 10088-5: 2009 Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction 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 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

EN 10296-2 EN 10296-2: 2005 Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions

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