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S64512 Stainless Steel vs. EN 1.1181 Steel

Both S64512 stainless steel and EN 1.1181 steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
19 to 20
Fatigue Strength, MPa 540
190 to 260
Impact Strength: V-Notched Charpy, J 47
23 to 38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 700
350 to 390
Tensile Strength: Ultimate (UTS), MPa 1140
560 to 620
Tensile Strength: Yield (Proof), MPa 890
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
42
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
210 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
20 to 22
Strength to Weight: Bending, points 31
19 to 21
Thermal Diffusivity, mm2/s 7.5
11
Thermal Shock Resistance, points 42
19 to 21

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.32 to 0.39
Chromium (Cr), % 11 to 12.5
0 to 0.4
Iron (Fe), % 80.6 to 84.7
97.4 to 99.18
Manganese (Mn), % 0.5 to 0.9
0.5 to 0.8
Molybdenum (Mo), % 1.5 to 2.0
0 to 0.1
Nickel (Ni), % 2.0 to 3.0
0 to 0.4
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035
Vanadium (V), % 0.25 to 0.4
0