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EN 1.4878 Stainless Steel vs. EN 1.1172 Steel

Both EN 1.4878 stainless steel and EN 1.1172 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4878 stainless steel and the bottom bar is EN 1.1172 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 610
480 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 850
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 140
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 20
17 to 41
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
15 to 55

Alloy Composition

Carbon (C), % 0 to 0.1
0.32 to 0.39
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65 to 74
98.2 to 99.18
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 9.0 to 12
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
Titanium (Ti), % 0 to 0.8
0