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S44625 Stainless Steel vs. EN 1.8874 Steel

Both S44625 stainless steel and EN 1.8874 steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 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 S44625 stainless steel and the bottom bar is EN 1.8874 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
19
Fatigue Strength, MPa 240
340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
410
Tensile Strength: Ultimate (UTS), MPa 590
660
Tensile Strength: Yield (Proof), MPa 360
500

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
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 2.2
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 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 39
24
Embodied Water, L/kg 160
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
670
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.6
10
Thermal Shock Resistance, points 19
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.010
0 to 0.18
Chromium (Cr), % 25 to 27.5
0 to 1.0
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 69.4 to 74.3
93.6 to 100
Manganese (Mn), % 0 to 0.4
0 to 1.7
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.7
Nickel (Ni), % 0 to 0.5
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.015
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.020
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