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EN 1.4477 Stainless Steel vs. AWS ERTi-12

EN 1.4477 stainless 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 22 to 23
12
Fatigue Strength, MPa 420 to 490
200
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 880 to 930
480
Tensile Strength: Yield (Proof), MPa 620 to 730
340

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1430
1670
Melting Onset (Solidus), °C 1380
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 13
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.7
31
Embodied Energy, MJ/kg 52
510
Embodied Water, L/kg 190
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
52
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
550
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 31 to 33
30
Strength to Weight: Bending, points 26 to 27
30
Thermal Diffusivity, mm2/s 3.5
8.7
Thermal Shock Resistance, points 23 to 25
37

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 56.6 to 63.6
0 to 0.15
Manganese (Mn), % 0.8 to 1.5
0
Molybdenum (Mo), % 1.5 to 2.6
0.2 to 0.4
Nickel (Ni), % 5.8 to 7.5
0.060 to 0.090
Nitrogen (N), % 0.3 to 0.4
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
99.147 to 99.66