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EN 1.4806 Stainless Steel vs. EN 1.1141 Steel

Both EN 1.4806 stainless steel and EN 1.1141 steel are iron alloys. They have 45% of their average alloy composition in common. There are 30 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 EN 1.4806 stainless steel and the bottom bar is EN 1.1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8
28
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 470
420
Tensile Strength: Yield (Proof), MPa 250
220

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
99
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.12 to 0.18
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 40.4 to 48.7
98.8 to 99.58
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035