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EN 1.1244 Steel vs. AISI 305 Stainless Steel

Both EN 1.1244 steel and AISI 305 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.1244 steel and the bottom bar is AISI 305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 730 to 770
580 to 710

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
540
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 47
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 28
20 to 25
Strength to Weight: Bending, points 23 to 24
20 to 23
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 23 to 25
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.65 to 0.75
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 98.1 to 99.2
65.1 to 72.5
Manganese (Mn), % 0.8 to 1.1
0 to 2.0
Nickel (Ni), % 0
10.5 to 13
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030