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EN 1.7767 Steel vs. AWS ERTi-5

EN 1.7767 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 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, % 20
10
Fatigue Strength, MPa 320 to 340
470
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 670 to 690
900
Tensile Strength: Yield (Proof), MPa 460 to 500
830

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 480
340
Melting Completion (Liquidus), °C 1470
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 40
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
36
Density, g/cm3 7.9
4.4
Embodied Carbon, kg CO2/kg material 2.4
38
Embodied Energy, MJ/kg 33
610
Embodied Water, L/kg 64
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
87
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
3250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 24
56
Strength to Weight: Bending, points 22
46
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 19 to 20
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.1 to 0.15
0 to 0.050
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.8 to 95.8
0 to 0.22
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0 to 0.030
88.2 to 90.9
Vanadium (V), % 0.2 to 0.3
3.5 to 4.5