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EN 1.4580 Stainless Steel vs. EN 1.1172 Steel

Both EN 1.4580 stainless steel and EN 1.1172 steel are iron alloys. They have 67% 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 1.4580 stainless steel and the bottom bar is EN 1.1172 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 620
480 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 60
18
Embodied Water, L/kg 150
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17 to 61
Strength to Weight: Bending, points 21
17 to 41
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
15 to 55

Alloy Composition

Carbon (C), % 0 to 0.080
0.32 to 0.39
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.4 to 71
98.2 to 99.18
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10.5 to 13.5
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025