EN 1.4588 (GX2NiCrMoCuN25-20-6) Cast Stainless Steel
Other Steels
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength480MPa
Yield Strength210MPa
Brinell Hardness160HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.020%
CR
19 to 21%
NI
24 to 26%
MO
6.0 to 7.0%
MN
0 to 2.0%
SI
0 to 1.0%
N
0.1 to 0.25%
P
0 to 0.035%
S
0 to 0.020%
CU
0.5 to 1.5%
FE
41.2 to 50.4%
Mechanical
A - Min. elongation at fracture (%) (+AT)
30
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
190 MPa
Impact Strength: V-Notched Charpy
67 J
KV - Impact energy (J) (+AT)
+20° 60
+AT
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+AT)
210
+AT
Rm - Tensile strength (MPa) (+AT)
480
+AT
Shear Modulus
80 GPa
Tensile Strength: Ultimate (UTS)
540 MPa
Tensile Strength: Yield (Proof)
240 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Brinell Hardness
160
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)
1450 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.0 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
11 points
Electrical
Electrical Conductivity: Equal Volume
1.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.9 % IACS
Calculated
PREN (Pitting Resistance)
44
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
140 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
33 % relative
Embodied Carbon
6.2 kg CO 2 /kg material
Embodied Energy
84 MJ/kg
Embodied Energy
84 MJ/kg 36 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
1.45881.4588EN 1.4588 (GX2NiCrMoCuN25-20-6) Cast Stainless SteelGX2NiCrMoCuN25-20-6GX2NiCrMoCuN25-20-6
Standards
EN 10283 EN 10283: 2010 Corrosion resistant steel castings
EN 10283 EN 10283: Corrosion resistant steel castings
ISO 11972 ISO 11972: Corrosion-resistant cast steels for general applications
ISO 11972 ISO 11972: Corrosion-resistant cast steels for general applications EN 10283: Corrosion resistant steel castings Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984 Corrosion of Stainless Steels, A. John Sedriks, 1996