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EN 1.1244 Steel vs. EN 1.4878 Stainless Steel

Both EN 1.1244 steel and EN 1.4878 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.1244 steel and the bottom bar is EN 1.4878 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
180
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
610

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
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
46
Embodied Water, L/kg 47
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 28
22
Strength to Weight: Bending, points 23 to 24
20
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 23 to 25
13

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.65 to 0.75
0 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 98.1 to 99.2
65 to 74
Manganese (Mn), % 0.8 to 1.1
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
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 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.8