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EN 1.0045 Steel vs. EN 1.0348 Steel

Both EN 1.0045 steel and EN 1.0348 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0045 steel and the bottom bar is EN 1.0348 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
28
Fatigue Strength, MPa 230
160
Impact Strength: V-Notched Charpy, J 31
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 330
250
Tensile Strength: Ultimate (UTS), MPa 530
380
Tensile Strength: Yield (Proof), MPa 330
220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
91
Resilience: Unit (Modulus of Resilience), kJ/m3 290
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
13
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.27
0 to 0.13
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.6
0 to 0.3
Iron (Fe), % 96.7 to 100
97.5 to 99.98
Manganese (Mn), % 0 to 1.7
0 to 0.7
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.045
0 to 0.010
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020