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EN 1.0446 Cast Steel vs. AISI 309 Stainless Steel

Both EN 1.0446 cast steel and AISI 309 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.0446 cast steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
34 to 47
Fatigue Strength, MPa 200
250 to 280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 530
600 to 710
Tensile Strength: Yield (Proof), MPa 270
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
16
Thermal Expansion, µm/m-K 12
15

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 1.7
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 18
51
Embodied Water, L/kg 45
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21 to 25
Strength to Weight: Bending, points 18
20 to 23
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 17
14 to 16

Alloy Composition

Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 24
Iron (Fe), % 99.935 to 100
58 to 66
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
12 to 15
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030