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EN 1.4550 Stainless Steel vs. EN 1.1165 Cast Steel

Both EN 1.4550 stainless steel and EN 1.1165 cast steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4550 stainless steel and the bottom bar is EN 1.1165 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
11 to 20
Fatigue Strength, MPa 210
200 to 380
Impact Strength: V-Notched Charpy, J 90
31 to 40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620
600 to 780
Tensile Strength: Yield (Proof), MPa 230
290 to 620

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230 to 1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21 to 28
Strength to Weight: Bending, points 21
20 to 24
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
19 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0.25 to 0.32
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.9 to 74
97.2 to 98.6
Manganese (Mn), % 0 to 2.0
1.2 to 1.8
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030