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EN 1.4104 Stainless Steel vs. EN 1.1147 Steel

Both EN 1.4104 stainless steel and EN 1.1147 steel are iron alloys. They have 83% 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 1.4104 stainless steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 23
12 to 17
Fatigue Strength, MPa 230 to 310
180 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 450
280
Tensile Strength: Ultimate (UTS), MPa 630 to 750
390 to 470
Tensile Strength: Yield (Proof), MPa 350 to 560
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 30
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
210 to 370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
14 to 17
Strength to Weight: Bending, points 21 to 24
15 to 17
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 22 to 27
12 to 15

Alloy Composition

Carbon (C), % 0.1 to 0.17
0.15 to 0.19
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 78.8 to 84.1
98.3 to 99.25
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0.2 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0.15 to 0.35
0 to 0.025

Comparable Variants