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AWS ERTi-12 vs. EN 1.4371 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4371 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
45 to 51
Fatigue Strength, MPa 200
290 to 340
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
740 to 750
Tensile Strength: Yield (Proof), MPa 340
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
880
Melting Completion (Liquidus), °C 1670
1410
Melting Onset (Solidus), °C 1620
1370
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 510
38
Embodied Water, L/kg 110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 550
250 to 300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
27
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 8.7
4.0
Thermal Shock Resistance, points 37
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
66.7 to 74.4
Manganese (Mn), % 0
6.0 to 8.0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
3.5 to 5.5
Nitrogen (N), % 0 to 0.015
0.15 to 0.25
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