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EN 1.4378 Stainless Steel vs. EN 1.7108 Steel

Both EN 1.4378 stainless steel and EN 1.7108 steel are iron alloys. They have 67% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
200 to 510
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 760 to 1130
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 150
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
24 to 75
Strength to Weight: Bending, points 24 to 31
22 to 47
Thermal Shock Resistance, points 16 to 23
20 to 63

Alloy Composition

Carbon (C), % 0 to 0.080
0.57 to 0.65
Chromium (Cr), % 17 to 19
0.2 to 0.45
Iron (Fe), % 61.2 to 69
95.9 to 96.9
Manganese (Mn), % 11.5 to 14.5
0.7 to 1.0
Nickel (Ni), % 2.3 to 3.7
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
1.6 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.025