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EN 1.6957 Steel vs. AWS ERTi-5

EN 1.6957 steel belongs to the iron alloys classification, while AWS ERTi-5 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.6957 steel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18
10
Fatigue Strength, MPa 530
470
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 930
900
Tensile Strength: Yield (Proof), MPa 780
830

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 450
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 47
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
36
Density, g/cm3 7.9
4.4
Embodied Carbon, kg CO2/kg material 2.1
38
Embodied Energy, MJ/kg 29
610
Embodied Water, L/kg 60
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
87
Resilience: Unit (Modulus of Resilience), kJ/m3 1630
3250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 33
56
Strength to Weight: Bending, points 27
46
Thermal Diffusivity, mm2/s 13
2.9
Thermal Shock Resistance, points 27
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.22 to 0.32
0 to 0.050
Chromium (Cr), % 1.2 to 1.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 92.7 to 94.7
0 to 0.22
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.4 to 4.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0 to 0.0070
0
Titanium (Ti), % 0
88.2 to 90.9
Vanadium (V), % 0.050 to 0.15
3.5 to 4.5