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S40977 Stainless Steel vs. EN 1.8872 Steel

Both S40977 stainless steel and EN 1.8872 steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 S40977 stainless steel and the bottom bar is EN 1.8872 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
21
Fatigue Strength, MPa 200
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 320
380
Tensile Strength: Ultimate (UTS), MPa 510
610
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
410
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 25
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 97
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 6.7
10
Thermal Shock Resistance, points 18
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 10.5 to 12.5
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.9 to 89.2
95.1 to 100
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.3 to 1.0
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050