EN 1.4527 (GX4NiCrCuMo30-20-4) Cast Stainless Steel
Other Steels
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength430MPa
Yield Strength170MPa
Brinell Hardness140HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.060%
CR
19 to 22%
NI
27.5 to 30.5%
MO
2.0 to 3.0%
MN
0 to 1.5%
SI
0 to 1.5%
P
0 to 0.040%
S
0 to 0.030%
CU
3.0 to 4.0%
FE
37.4 to 48.5%
Mechanical
A - Min. elongation at fracture (%) (+AT)
35
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
40 %
Fatigue Strength
170 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)
170
+AT
Rm - Tensile strength (MPa) (+AT)
430
+AT
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
480 MPa
Tensile Strength: Yield (Proof)
190 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
140
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Corrosion
430 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1410 °C
Melting Onset (Solidus)
1360 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.0 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
12 points
Calculated
PREN (Pitting Resistance)
29
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
95 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
32 % relative
Embodied Carbon
5.6 kg CO 2 /kg material
Embodied Energy
78 MJ/kg
Embodied Energy
78 MJ/kg 34 x 10 3 BTU/lb
Embodied Water
210 L/kg
Embodied Water
210 L/kg 25 gal/lb
Registered Designations & Aliases
1.45271.4527EN 1.4527 (GX4NiCrCuMo30-20-4) Cast Stainless SteelGX4NiCrCuMo30-20-4GX4NiCrCuMo30-20-4
Standards
EN 10283 EN 10283: 2010 Corrosion resistant steel castings
EN 10283 EN 10283: Corrosion resistant steel castings
EN 10283 EN 10283: Corrosion resistant steel castings Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984 Corrosion of Stainless Steels, A. John Sedriks, 1996