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AWS ERTi-12 vs. EN 1.4855 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4855 stainless steel belongs to the iron alloys. There are 27 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 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
4.6
Fatigue Strength, MPa 200
120
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
500
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 420
320
Maximum Temperature: Mechanical, °C 320
1050
Melting Completion (Liquidus), °C 1670
1400
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

Base Metal Price, % relative 37
34
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
5.9
Embodied Energy, MJ/kg 510
85
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
19
Resilience: Unit (Modulus of Resilience), kJ/m3 550
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
18
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 8.7
3.7
Thermal Shock Resistance, points 37
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 0
23 to 25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
42.6 to 51.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.5
Nickel (Ni), % 0.060 to 0.090
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
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), % 99.147 to 99.66
0