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AWS ERTi-7 vs. EN 1.4034 Stainless Steel

AWS ERTi-7 belongs to the titanium alloys classification, while EN 1.4034 stainless steel belongs to the iron alloys. There are 28 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-7 and the bottom bar is EN 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
11 to 14
Fatigue Strength, MPa 190
230 to 400
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 340
690 to 900
Tensile Strength: Yield (Proof), MPa 280
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
770
Melting Completion (Liquidus), °C 1670
1440
Melting Onset (Solidus), °C 1620
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
30
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.7

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 47
2.0
Embodied Energy, MJ/kg 800
27
Embodied Water, L/kg 470
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 360
400 to 1370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
25 to 32
Strength to Weight: Bending, points 24
22 to 27
Thermal Diffusivity, mm2/s 8.8
8.1
Thermal Shock Resistance, points 26
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0.43 to 0.5
Chromium (Cr), % 0
12.5 to 14.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
83 to 87.1
Manganese (Mn), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.015
0
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
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.417 to 99.8
0