MakeItFrom.com
Menu (ESC)

AWS ERTi-12 vs. EN 1.4438 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4438 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 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
41
Fatigue Strength, MPa 200
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 480
620
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
1000
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1400
Specific Heat Capacity, J/kg-K 540
470
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
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
4.4
Embodied Energy, MJ/kg 510
60
Embodied Water, L/kg 110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
200
Resilience: Unit (Modulus of Resilience), kJ/m3 550
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 8.7
3.7
Thermal Shock Resistance, points 37
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
17.5 to 19.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
57.3 to 66.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
3.0 to 4.0
Nickel (Ni), % 0.060 to 0.090
13 to 16
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