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AWS ERTi-7 vs. EN 1.4854 Stainless Steel

AWS ERTi-7 belongs to the titanium alloys classification, while EN 1.4854 stainless steel belongs to the iron alloys. There are 28 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-7 and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
45
Fatigue Strength, MPa 190
310
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 340
750
Tensile Strength: Yield (Proof), MPa 280
340

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
1170
Melting Completion (Liquidus), °C 1670
1370
Melting Onset (Solidus), °C 1620
1330
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
11
Thermal Expansion, µm/m-K 8.7
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
5.7
Embodied Energy, MJ/kg 800
81
Embodied Water, L/kg 470
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
270
Resilience: Unit (Modulus of Resilience), kJ/m3 360
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 8.8
2.9
Thermal Shock Resistance, points 26
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
24 to 26
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0 to 0.015
0.12 to 0.2
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.417 to 99.8
0