EN 1.4347 (GX4CrNiN26-7) Cast Stainless Steel
Other Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength590MPa
Yield Strength420MPa
Brinell HardnessUnknown
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.050%
CR
25 to 27%
NI
5.5 to 7.5%
MN
0 to 1.5%
SI
0 to 1.5%
N
0.1 to 0.2%
P
0 to 0.035%
S
0 to 0.020%
FE
62.2 to 69.4%
Mechanical
A - Min. elongation at fracture (%) (+AT)
20
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
23 %
Fatigue Strength
320 MPa
Impact Strength: V-Notched Charpy
34 J
KV - Impact energy (J) (+AT)
+20° 30
+AT
Poisson's Ratio
0.27
R p0.2 0.2% proof strength (MPa) (+AT)
420
+AT
Rm - Tensile strength (MPa) (+AT)
590
+AT
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
660 MPa
Tensile Strength: Yield (Proof)
480 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
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1410 °C
Melting Onset (Solidus)
1370 °C
Specific Heat Capacity
490 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
19 points
Electrical
Electrical Conductivity: Equal Volume
2.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
PREN (Pitting Resistance)
28
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
570 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
16 % relative
Embodied Carbon
3.1 kg CO 2 /kg material
Embodied Energy
44 MJ/kg
Embodied Energy
44 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
170 L/kg
Embodied Water
170 L/kg 20 gal/lb
Registered Designations & Aliases
1.43471.4347EN 1.4347 (GX4CrNiN26-7) Cast Stainless SteelGX4CrNiN26-7GX6CrNiN26-7
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 Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997 Corrosion of Stainless Steels, A. John Sedriks, 1996