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AWS ERTi-5 vs. EN 1.4857 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.4857 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is EN 1.4857 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
6.7
Fatigue Strength, MPa 470
120
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 900
500
Tensile Strength: Yield (Proof), MPa 830
250

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1370
Melting Onset (Solidus), °C 1560
1320
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
13
Thermal Expansion, µm/m-K 9.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
34
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
5.7
Embodied Energy, MJ/kg 610
81
Embodied Water, L/kg 200
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
28
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
18
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 2.9
3.4
Thermal Shock Resistance, points 63
11

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
31.4 to 41.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 36
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0