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EN 1.7380 Steel vs. AWS ERTi-12

EN 1.7380 steel belongs to the iron alloys classification, while AWS ERTi-12 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 1.7380 steel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 19 to 20
12
Fatigue Strength, MPa 200 to 230
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
41
Tensile Strength: Ultimate (UTS), MPa 540 to 550
480
Tensile Strength: Yield (Proof), MPa 290 to 330
340

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 460
320
Melting Completion (Liquidus), °C 1470
1670
Melting Onset (Solidus), °C 1430
1620
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 39
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.8
31
Embodied Energy, MJ/kg 23
510
Embodied Water, L/kg 59
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
52
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 19 to 20
30
Strength to Weight: Bending, points 19
30
Thermal Diffusivity, mm2/s 11
8.7
Thermal Shock Resistance, points 15 to 16
37

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 94.6 to 96.6
0 to 0.15
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.1
0.2 to 0.4
Nickel (Ni), % 0
0.060 to 0.090
Nitrogen (N), % 0 to 0.012
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
99.147 to 99.66