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EN 1.4458 Stainless Steel vs. EN 1.0345 Steel

Both EN 1.4458 stainless steel and EN 1.0345 steel are iron alloys. They have 48% 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 1.4458 stainless steel and the bottom bar is EN 1.0345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
27
Fatigue Strength, MPa 150
170
Impact Strength: V-Notched Charpy, J 67
44
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
420
Tensile Strength: Yield (Proof), MPa 190
230

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.1
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
1.5
Embodied Energy, MJ/kg 75
19
Embodied Water, L/kg 200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
96
Resilience: Unit (Modulus of Resilience), kJ/m3 89
140
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 18
16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 19 to 22
0 to 0.3
Copper (Cu), % 0 to 2.0
0 to 0.3
Iron (Fe), % 40.2 to 53
97.2 to 99.38
Manganese (Mn), % 0 to 2.0
0.6 to 1.2
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.080
Nickel (Ni), % 26 to 30
0 to 0.3
Niobium (Nb), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.2
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.020