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EN 1.4872 Stainless Steel vs. AWS ERTi-1

EN 1.4872 stainless steel belongs to the iron alloys classification, while AWS ERTi-1 belongs to the titanium 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 EN 1.4872 stainless steel and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 28
24
Fatigue Strength, MPa 410
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 950
240
Tensile Strength: Yield (Proof), MPa 560
170

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1150
320
Melting Completion (Liquidus), °C 1390
1670
Melting Onset (Solidus), °C 1340
1620
Specific Heat Capacity, J/kg-K 490
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 3.3
31
Embodied Energy, MJ/kg 47
510
Embodied Water, L/kg 180
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
52
Resilience: Unit (Modulus of Resilience), kJ/m3 780
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 35
15
Strength to Weight: Bending, points 28
19
Thermal Diffusivity, mm2/s 3.9
8.7
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.030
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 54.2 to 61.6
0 to 0.080
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
99.773 to 99.97