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ASTM B817 Type II vs. EN 1.4515 Stainless Steel

ASTM B817 type II belongs to the titanium alloys classification, while EN 1.4515 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is EN 1.4515 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 3.0 to 13
25
Fatigue Strength, MPa 390 to 530
380
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 900 to 960
730
Tensile Strength: Yield (Proof), MPa 780 to 900
550

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 350
1100
Melting Completion (Liquidus), °C 1580
1440
Melting Onset (Solidus), °C 1530
1390
Specific Heat Capacity, J/kg-K 550
480
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 40
3.8
Embodied Energy, MJ/kg 650
53
Embodied Water, L/kg 220
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 55 to 58
26
Strength to Weight: Bending, points 45 to 47
23
Thermal Shock Resistance, points 62 to 66
20

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 0.35 to 1.0
0.8 to 1.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
58.4 to 66.6
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
5.5 to 7.0
Nitrogen (N), % 0 to 0.040
0.12 to 0.25
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.0
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Residuals, % 0 to 0.4
0