EN 1.4710 (GX30CrSi7) Cast Stainless Steel
Other Steels
Property Overview
Density7.7g/cm³
Elastic Modulus190GPa
Tensile StrengthUnknown
Yield StrengthUnknown
Brinell Hardness300HB
Maximum Service Temperature750°C
Chemical Composition
C
0.2 to 0.35%
CR
6.0 to 8.0%
NI
0 to 0.5%
MO
0 to 0.15%
MN
0.5 to 1.0%
SI
1.0 to 2.5%
P
0 to 0.035%
S
0 to 0.030%
FE
87.4 to 92.3%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
20 %
Poisson's Ratio
0.29
Shear Modulus
74 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
7.7 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
360 °C
Maximum Temperature: Mechanical
750 °C
Melting Completion (Liquidus)
1430 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
24 W/m-K
Thermal Diffusivity
6.5 mm 2 /s
Thermal Expansion
9.9 µm/m-K
Electrical
Electrical Conductivity: Equal Volume
6.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
7.5 % IACS
Calculated
PREN (Pitting Resistance)
7.2
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Environmental
Base Metal Price
5.0 % relative
Embodied Carbon
1.8 kg CO 2 /kg material
Embodied Energy
24 MJ/kg
Embodied Energy
24 MJ/kg 10 x 10 3 BTU/lb
Embodied Water
76 L/kg
Embodied Water
76 L/kg 9.1 gal/lb
Registered Designations & Aliases
1.47101.4710EN 1.4710 (GX30CrSi7) Cast Stainless SteelGX30CrSi7GX30CrSi7
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 of Stainless Steels, Erich Folkhard et al., 2012 Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Corrosion of Stainless Steels, A. John Sedriks, 1996