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EN 1.8898 Steel vs. EN 1.4588 Stainless Steel

Both EN 1.8898 steel and EN 1.4588 stainless steel are iron alloys. They have 47% 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 1.8898 steel and the bottom bar is EN 1.4588 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 330
190
Impact Strength: V-Notched Charpy, J 45
67
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 600
540
Tensile Strength: Yield (Proof), MPa 490
240

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
6.2
Embodied Energy, MJ/kg 22
84
Embodied Water, L/kg 48
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 650
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.16
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 96.7 to 99.98
41.2 to 50.4
Manganese (Mn), % 0 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
6.0 to 7.0
Nickel (Ni), % 0 to 0.3
24 to 26
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.025
0.1 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0