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EN 1.1172 Steel vs. EN 1.4845 Stainless Steel

Both EN 1.1172 steel and EN 1.4845 stainless steel are iron alloys. They have 53% 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 1.1172 steel and the bottom bar is EN 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 480 to 1720
600

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.3
Embodied Energy, MJ/kg 18
61
Embodied Water, L/kg 46
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 61
21
Strength to Weight: Bending, points 17 to 41
20
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 15 to 55
14

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.2 to 99.18
48.2 to 57
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.015