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EN 1.1165 Cast Steel vs. EN 1.4125 Stainless Steel

Both EN 1.1165 cast steel and EN 1.4125 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.1165 cast steel and the bottom bar is EN 1.4125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 20
19
Fatigue Strength, MPa 200 to 380
300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 600 to 780
800
Tensile Strength: Yield (Proof), MPa 290 to 620
470

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 19
32
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 1010
570
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 28
29
Strength to Weight: Bending, points 20 to 24
25
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 19 to 25
29

Alloy Composition

Carbon (C), % 0.25 to 0.32
1.0 to 1.2
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 97.2 to 98.6
78 to 82.7
Manganese (Mn), % 1.2 to 1.8
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015