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EN 1.1181 Steel vs. EN 1.4837 Stainless Steel

Both EN 1.1181 steel and EN 1.4837 stainless steel are iron alloys. They have 60% 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 EN 1.1181 steel and the bottom bar is EN 1.4837 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
6.8
Fatigue Strength, MPa 190 to 260
120
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 560 to 620
500
Tensile Strength: Yield (Proof), MPa 280 to 380
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
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
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
29
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
18
Strength to Weight: Bending, points 19 to 21
18
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 19 to 21
11

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.3 to 0.5
Chromium (Cr), % 0 to 0.4
24 to 27
Iron (Fe), % 97.4 to 99.18
53.4 to 63.7
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
11 to 14
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.035
0 to 0.030