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EN 1.4588 Stainless Steel vs. EN 1.8959 Steel

Both EN 1.4588 stainless steel and EN 1.8959 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 1.4588 stainless steel and the bottom bar is EN 1.8959 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
16
Fatigue Strength, MPa 190
220
Impact Strength: V-Notched Charpy, J 67
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
570
Tensile Strength: Yield (Proof), MPa 240
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.7
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.6
Embodied Energy, MJ/kg 84
21
Embodied Water, L/kg 200
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
78
Resilience: Unit (Modulus of Resilience), kJ/m3 140
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 11
17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.19
Chromium (Cr), % 19 to 21
0.35 to 0.85
Copper (Cu), % 0.5 to 1.5
0.2 to 0.6
Iron (Fe), % 41.2 to 50.4
94.9 to 99
Manganese (Mn), % 0 to 2.0
0.45 to 1.6
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.35
Nickel (Ni), % 24 to 26
0 to 0.7
Nitrogen (N), % 0.1 to 0.25
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.040
Zirconium (Zr), % 0
0 to 0.17