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EN 1.4584 Stainless Steel vs. EN 1.8958 Steel

Both EN 1.4584 stainless steel and EN 1.8958 steel are iron alloys. They have 49% 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 1.4584 stainless steel and the bottom bar is EN 1.8958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
19
Fatigue Strength, MPa 170
150
Impact Strength: V-Notched Charpy, J 67
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 500
430
Tensile Strength: Yield (Proof), MPa 210
220

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.7
1.5
Embodied Energy, MJ/kg 78
19
Embodied Water, L/kg 200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
70
Resilience: Unit (Modulus of Resilience), kJ/m3 110
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.16
Chromium (Cr), % 19 to 21
0.35 to 0.85
Copper (Cu), % 1.0 to 3.0
0.2 to 0.6
Iron (Fe), % 41.7 to 52
96.5 to 99.3
Manganese (Mn), % 0 to 2.0
0.15 to 0.7
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 24 to 26
0 to 0.7
Nitrogen (N), % 0 to 0.2
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.040