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AWS ERTi-7 vs. EN 1.4805 Stainless Steel

AWS ERTi-7 belongs to the titanium alloys classification, while EN 1.4805 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
9.0
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 340
490
Tensile Strength: Yield (Proof), MPa 280
250

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1000
Melting Completion (Liquidus), °C 1670
1390
Melting Onset (Solidus), °C 1620
1350
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 8.7
16

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
4.7
Embodied Energy, MJ/kg 800
66
Embodied Water, L/kg 470
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
37
Resilience: Unit (Modulus of Resilience), kJ/m3 360
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 8.8
3.7
Thermal Shock Resistance, points 26
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 0
19 to 23
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
44.9 to 56.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.417 to 99.8
0