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EN 1.0034 Steel vs. EN 1.7378 Steel

Both EN 1.0034 steel and EN 1.7378 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0034 steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97 to 110
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.0 to 32
17
Fatigue Strength, MPa 140 to 170
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 220 to 230
430
Tensile Strength: Ultimate (UTS), MPa 340 to 380
700
Tensile Strength: Yield (Proof), MPa 180 to 280
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
33
Embodied Water, L/kg 45
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 95
110
Resilience: Unit (Modulus of Resilience), kJ/m3 84 to 210
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 13
25
Strength to Weight: Bending, points 14 to 15
22
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 11 to 12
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.15
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Iron (Fe), % 98.7 to 100
94.6 to 96.1
Manganese (Mn), % 0 to 0.7
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.35
0.15 to 0.45
Sulfur (S), % 0 to 0.045
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3