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AWS ERTi-2 vs. EN 1.3956 Stainless Steel

AWS ERTi-2 belongs to the titanium alloys classification, while EN 1.3956 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-2 and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
27
Fatigue Strength, MPa 190
240
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 340
650
Tensile Strength: Yield (Proof), MPa 280
330

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1080
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
4.8
Embodied Energy, MJ/kg 510
68
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
150
Resilience: Unit (Modulus of Resilience), kJ/m3 360
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 24
21
Thermal Shock Resistance, points 27
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
51.9 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0 to 0.015
0.2 to 0.4
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.667 to 99.92
0
Vanadium (V), % 0
0.1 to 0.3