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EN 1.0644 Steel vs. EN 1.4587 Stainless Steel

Both EN 1.0644 steel and EN 1.4587 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.0644 steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 380
200
Impact Strength: V-Notched Charpy, J 38
67
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 690
540
Tensile Strength: Yield (Proof), MPa 570
250

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
17
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.8
6.3
Embodied Energy, MJ/kg 24
87
Embodied Water, L/kg 50
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 870
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 13
4.5
Thermal Shock Resistance, points 22
13

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
0
Carbon (C), % 0.16 to 0.22
0 to 0.030
Chromium (Cr), % 0 to 0.3
24 to 26
Copper (Cu), % 0 to 0.3
2.0 to 3.0
Iron (Fe), % 96.1 to 98.4
32.7 to 41.9
Manganese (Mn), % 1.3 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.080
4.0 to 5.0
Nickel (Ni), % 0 to 0.4
28 to 30
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0.080 to 0.15
0