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EN 1.1181 Steel vs. EN 1.4537 Stainless Steel

Both EN 1.1181 steel and EN 1.4537 stainless steel are iron alloys. They have 43% 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 1.1181 steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19 to 20
42
Fatigue Strength, MPa 190 to 260
290
Impact Strength: V-Notched Charpy, J 23 to 38
91
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 350 to 390
480
Tensile Strength: Ultimate (UTS), MPa 560 to 620
700
Tensile Strength: Yield (Proof), MPa 280 to 380
330

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 42
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
34
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.1
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 47
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
24
Strength to Weight: Bending, points 19 to 21
22
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 19 to 21
15

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.020
Chromium (Cr), % 0 to 0.4
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 97.4 to 99.18
36.3 to 46.1
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
4.7 to 5.7
Nickel (Ni), % 0 to 0.4
24 to 27
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.010