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EN 1.6920 Steel vs. EN 1.0348 Steel

Both EN 1.6920 steel and EN 1.0348 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.6920 steel and the bottom bar is EN 1.0348 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
28
Fatigue Strength, MPa 290
160
Impact Strength: V-Notched Charpy, J 45
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 400
250
Tensile Strength: Ultimate (UTS), MPa 640
380
Tensile Strength: Yield (Proof), MPa 420
220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 39
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.1
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 52
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
91
Resilience: Unit (Modulus of Resilience), kJ/m3 470
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
13
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.17
0 to 0.13
Chromium (Cr), % 0.5 to 1.0
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.7 to 98
97.5 to 99.98
Manganese (Mn), % 1.0 to 1.5
0 to 0.7
Molybdenum (Mo), % 0.2 to 0.35
0 to 0.080
Nickel (Ni), % 0.3 to 0.7
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0.050 to 0.1
0 to 0.020