EN 1.4729 (GX40CrSi13) Cast Stainless Steel
Other Steels
Property Overview
Density7.6g/cm³
Elastic Modulus190GPa
Tensile StrengthUnknown
Yield StrengthUnknown
Brinell Hardness300HB
Maximum Service Temperature850°C
Chemical Composition
C
0.3 to 0.5%
CR
12 to 14%
NI
0 to 1.0%
MO
0 to 0.5%
MN
0 to 1.0%
SI
1.0 to 2.5%
P
0 to 0.040%
S
0 to 0.030%
FE
80.4 to 86.7%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
15 %
Poisson's Ratio
0.28
Shear Modulus
75 GPa
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
260
Brinell hardness (HB): (+A)
300
+A
Physical
Density
7.6 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
390 °C
Maximum Temperature: Mechanical
850 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
24 W/m-K
Thermal Diffusivity
6.5 mm 2 /s
Thermal Expansion
10 µm/m-K
Electrical
Electrical Conductivity: Equal Volume
2.8 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.3 % IACS
Calculated
PREN (Pitting Resistance)
14
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Environmental
Base Metal Price
7.5 % relative
Embodied Carbon
2.1 kg CO 2 /kg material
Embodied Energy
29 MJ/kg
Embodied Energy
29 MJ/kg 13 x 10 3 BTU/lb
Embodied Water
100 L/kg
Embodied Water
100 L/kg 12 gal/lb
Registered Designations & Aliases
1.47291.4729EN 1.4729 (GX40CrSi13) Cast Stainless SteelGX40CrSi13GX40CrSi13
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 Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 Corrosion of Stainless Steels, A. John Sedriks, 1996