EN 1.4405 (GX4CrNiMo16-5-1) Cast Stainless Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength860MPa
Yield Strength540MPa
Brinell HardnessUnknown
Maximum Service Temperature870°C
Mechanical
A - Min. elongation at fracture (%) (+QT)
15
+QT
Elastic (Young's, Tensile) Modulus
200 GPa
Impact Strength: V-Notched Charpy
68 J
KV - Impact energy (J) (+QT)
+20° 60
+QT
R p0.2 0.2% proof strength (MPa) (+QT)
540
+QT
Rm - Tensile strength (MPa) (+QT)
760-960
+QT
Tensile Strength: Ultimate (UTS)
860 MPa
Tensile Strength: Yield (Proof)
610 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
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
870 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
17 W/m-K
Thermal Diffusivity
4.6 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
29 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
20
Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
950 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
31 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
13 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
39 MJ/kg 17 x 10 3 BTU/lb
Embodied Water
130 L/kg 15 gal/lb
Registered Designations & Aliases
1.44051.4405EN 1.4405 (GX4CrNiMo16-5-1) Cast Stainless SteelGX4CrNiMo16-5-1GX4CrNiMo16-5-1
Standards
EN 10213 EN 10213: 2007 Steel castings for pressure purposes
EN 10283 EN 10283: 2010 Corrosion resistant steel castings
EN 10283 EN 10283: Corrosion resistant steel castings
EN 10293 EN 10293: 2005 Steel castings for general engineering uses
EN 10293 EN 10293: Steel castings - Steel castings for general engineering uses
EN 10340 EN 10340: 2007 Steel castings for structural uses
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 ISO 4991: Steel castings for pressure purposes EN 10293: Steel castings - Steel castings for general engineering uses Welding Metallurgy, 2nd ed., Sindo Kou, 2003 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 Corrosion of Stainless Steels, A. John Sedriks, 1996
ISO 4991 ISO 4991: Steel castings for pressure purposes