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EN 1.4615 Stainless Steel vs. EN 1.1181 Steel

Both EN 1.4615 stainless steel and EN 1.1181 steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4615 stainless steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 50
19 to 20
Fatigue Strength, MPa 190
190 to 260
Impact Strength: V-Notched Charpy, J 91
23 to 38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 360
350 to 390
Tensile Strength: Ultimate (UTS), MPa 500
560 to 620
Tensile Strength: Yield (Proof), MPa 200
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 99
210 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
20 to 22
Strength to Weight: Bending, points 18
19 to 21
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 11
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.39
Chromium (Cr), % 14 to 16
0 to 0.4
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 63.1 to 72.5
97.4 to 99.18
Manganese (Mn), % 7.0 to 9.0
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.8
0 to 0.1
Nickel (Ni), % 4.5 to 6.0
0 to 0.4
Nitrogen (N), % 0.020 to 0.060
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035