EN 1.4849 (GX40NiCrSiNb38-19) Cast Stainless Steel
Other Steels
Property Overview
Density8g/cm³
Elastic Modulus190GPa
Tensile Strength420MPa
Yield Strength250MPa
Brinell Hardness140HB
Maximum Service Temperature1020°C
Chemical Composition
C
0.3 to 0.5%
CR
18 to 21%
NI
36 to 39%
MO
0 to 0.5%
MN
0 to 2.0%
SI
1.0 to 2.5%
P
0 to 0.040%
S
0 to 0.030%
NB
1.2 to 1.8%
FE
32.6 to 43.5%
Mechanical
A - Min. elongation at fracture (%)
4
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
4.5 %
Fatigue Strength
120 MPa
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa)
220
Rm - Tensile strength (MPa)
420
Shear Modulus
75 GPa
Tensile Strength: Ultimate (UTS)
480 MPa
Tensile Strength: Yield (Proof)
250 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
8.0 g/cm 3
Thermal
Latent Heat of Fusion
320 J/g
Maximum Temperature: Corrosion
620 °C
Maximum Temperature: Mechanical
1020 °C
Melting Completion (Liquidus)
1390 °C
Melting Onset (Solidus)
1340 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.2 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
11 points
Calculated
PREN (Pitting Resistance)
20
Resilience: Ultimate (Unit Rupture Work)
18 MJ/m 3
Resilience: Unit (Modulus of Resilience)
160 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
42 % relative
Embodied Carbon
7.1 kg CO 2 /kg material
Embodied Energy
100 MJ/kg
Embodied Energy
100 MJ/kg 44 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
1.48491.4849EN 1.4849 (GX40NiCrSiNb38-19) Cast Stainless SteelGX40NiCrSiNb38-19GX40NiCrSiNb38-19
Standards
EN 10295 EN 10295: 2002 Heat resistant steel castings
EN 10295 EN 10295: Heat Resistant Steel Castings