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EN 1.4903 Stainless Steel vs. AWS ERTi-1

EN 1.4903 stainless steel belongs to the iron alloys classification, while AWS ERTi-1 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 1.4903 stainless steel and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20 to 21
24
Fatigue Strength, MPa 320 to 330
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 670 to 680
240
Tensile Strength: Yield (Proof), MPa 500
170

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 650
320
Melting Completion (Liquidus), °C 1460
1670
Melting Onset (Solidus), °C 1420
1620
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 26
21
Thermal Expansion, µm/m-K 11
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.6
31
Embodied Energy, MJ/kg 36
510
Embodied Water, L/kg 88
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
52
Resilience: Unit (Modulus of Resilience), kJ/m3 650
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 7.0
8.7
Thermal Shock Resistance, points 23
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 87.1 to 90.5
0 to 0.080
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
99.773 to 99.97
Vanadium (V), % 0.18 to 0.25
0