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EN 1.4439 Stainless Steel vs. EN 1.0478 Steel

Both EN 1.4439 stainless steel and EN 1.0478 steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 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 1.4439 stainless steel and the bottom bar is EN 1.0478 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
24
Fatigue Strength, MPa 270
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 470
280
Tensile Strength: Ultimate (UTS), MPa 680
440
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
49
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 160
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
90
Resilience: Unit (Modulus of Resilience), kJ/m3 240
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 16.5 to 18.5
0 to 0.3
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 58.7 to 66.9
96.9 to 99.4
Manganese (Mn), % 0 to 2.0
0.6 to 1.4
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.080
Nickel (Ni), % 12.5 to 14.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.030
Nitrogen (N), % 0.12 to 0.22
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0 to 0.050