EN 1.7365 (GX15CrMo5) Cast Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength700MPa
Yield Strength420MPa
Brinell Hardness210HB
Maximum Service Temperature510°C
Chemical Composition
C
0.12 to 0.19%
CR
4.0 to 6.0%
MO
0.45 to 0.65%
MN
0.5 to 0.8%
SI
0 to 0.8%
P
0 to 0.025%
S
0 to 0.025%
CU
0 to 0.3%
V
0 to 0.050%
FE
91.2 to 94.9%
Mechanical
A - Min. elongation at fracture (%) (+QT)
16
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
18 %
Fatigue Strength
320 MPa
Impact Strength: V-Notched Charpy
31 J
KV - Impact energy (J) (+QT)
+20° 27
+QT
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+QT)
420
+QT
Rm - Tensile strength (MPa) (+QT)
630-760
+QT
Shear Modulus
74 GPa
Tensile Strength: Ultimate (UTS)
700 MPa
Tensile Strength: Yield (Proof)
470 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
210
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
510 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
40 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
20 points
Electrical
Electrical Conductivity: Equal Volume
8.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.4 % IACS
Calculated
PREN (Pitting Resistance)
6.8
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
580 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
4.4 % 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
70 L/kg
Embodied Water
70 L/kg 8.3 gal/lb
Registered Designations & Aliases
1.73651.7365EN 1.7365 (GX15CrMo5) Cast SteelGX15CrMo5GX15CrMo5
Standards
EN 10213 EN 10213: 2007 Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005