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S17400 Stainless Steel vs. EN 1.8874 Steel

Both S17400 stainless steel and EN 1.8874 steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is EN 1.8874 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
19
Fatigue Strength, MPa 380 to 670
340
Impact Strength: V-Notched Charpy, J 7.6 to 86
68
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 570 to 830
410
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
660
Tensile Strength: Yield (Proof), MPa 580 to 1250
500

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 39
24
Embodied Water, L/kg 130
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 49
23
Strength to Weight: Bending, points 27 to 35
21
Thermal Diffusivity, mm2/s 4.5
10
Thermal Shock Resistance, points 30 to 46
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.070
0 to 0.18
Chromium (Cr), % 15 to 17
0 to 1.0
Copper (Cu), % 3.0 to 5.0
0 to 0.3
Iron (Fe), % 70.4 to 78.9
93.6 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 3.0 to 5.0
0 to 1.5
Niobium (Nb), % 0.15 to 0.45
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15