EN 1.4869 (GX50NiCrCoW35-25-15-5) Casting Alloy
Other Steels
Property Overview
Density8.5g/cm³
Elastic Modulus210GPa
Tensile Strength480MPa
Yield Strength310MPa
Brinell HardnessUnknown
Maximum Service Temperature1200°C
Chemical Composition
C
0.45 to 0.55%
CR
24 to 26%
NI
33 to 37%
MN
0 to 1.0%
SI
1.0 to 2.0%
P
0 to 0.040%
S
0 to 0.030%
CO
14 to 16%
W
4.0 to 6.0%
FE
11.4 to 23.6%
Mechanical
A - Min. elongation at fracture (%)
5
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
5.7 %
Fatigue Strength
130 MPa
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa)
270
Rm - Tensile strength (MPa)
480
Shear Modulus
80 GPa
Tensile Strength: Ultimate (UTS)
540 MPa
Tensile Strength: Yield (Proof)
310 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
8.5 g/cm 3
Thermal
Latent Heat of Fusion
330 J/g
Maximum Temperature: Mechanical
1200 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
10 W/m-K
Thermal Diffusivity
2.6 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
14 points
Calculated
Resilience: Ultimate (Unit Rupture Work)
26 MJ/m 3
Resilience: Unit (Modulus of Resilience)
230 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
70 % relative
Embodied Carbon
7.7 kg CO 2 /kg material
Embodied Energy
110 MJ/kg
Embodied Energy
110 MJ/kg 47 x 10 3 BTU/lb
Embodied Water
300 L/kg
Embodied Water
300 L/kg 36 gal/lb
Registered Designations & Aliases
1.48691.4869EN 1.4869 (GX50NiCrCoW35-25-15-5) Casting AlloyGX50NiCrCoW35-25-15-5GX50NiCrCoW35-25-15-5
Standards
EN 10295 EN 10295: 2002 Heat resistant steel castings
EN 10295 EN 10295: Heat Resistant Steel Castings
EN 10295 EN 10295: Heat Resistant Steel Castings Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009 Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998