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EN 1.4107 Stainless Steel vs. EN 1.1158 Steel

Both EN 1.4107 stainless steel and EN 1.1158 steel are iron alloys. They have 87% 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 1.4107 stainless steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
23 to 24
Fatigue Strength, MPa 260 to 350
170 to 220
Impact Strength: V-Notched Charpy, J 45 to 50
28 to 40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 620 to 700
470 to 500
Tensile Strength: Yield (Proof), MPa 400 to 570
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
49
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
150 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 25
17 to 18
Strength to Weight: Bending, points 21 to 22
17 to 18
Thermal Diffusivity, mm2/s 7.2
13
Thermal Shock Resistance, points 22 to 25
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.1
0.22 to 0.29
Chromium (Cr), % 11.5 to 12.5
0 to 0.4
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 83.8 to 87.2
97.6 to 99.38
Manganese (Mn), % 0.5 to 0.8
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0.8 to 1.5
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Vanadium (V), % 0 to 0.080
0