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AWS ERTi-12 vs. EN 1.4837 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4837 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.4837 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
6.8
Fatigue Strength, MPa 200
120
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
78
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
1390
Melting Onset (Solidus), °C 1620
1350
Specific Heat Capacity, J/kg-K 540
490
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 8.7
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
3.7
Embodied Energy, MJ/kg 510
53
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
29
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
24 to 27
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
53.4 to 63.7
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
11 to 14
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