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AWS ERTi-12 vs. EN 1.4303 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4303 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
13 to 49
Fatigue Strength, MPa 200
220 to 320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
590 to 900
Tensile Strength: Yield (Proof), MPa 340
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
940
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
3.2
Embodied Energy, MJ/kg 510
46
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 550
140 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
21 to 32
Strength to Weight: Bending, points 30
20 to 26
Thermal Diffusivity, mm2/s 8.7
4.0
Thermal Shock Resistance, points 37
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 0
17 to 19
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
64.8 to 72
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
11 to 13
Nitrogen (N), % 0 to 0.015
0 to 0.1
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.147 to 99.66
0