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ASTM B817 Type II vs. N08700 Stainless Steel

ASTM B817 type II belongs to the titanium alloys classification, while N08700 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is N08700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 3.0 to 13
32
Fatigue Strength, MPa 390 to 530
210
Poisson's Ratio 0.32
0.28
Reduction in Area, % 4.0 to 13
45
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 900 to 960
620
Tensile Strength: Yield (Proof), MPa 780 to 900
270

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 350
1100
Melting Completion (Liquidus), °C 1580
1450
Melting Onset (Solidus), °C 1530
1400
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.9
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
32
Density, g/cm3 4.6
8.1
Embodied Carbon, kg CO2/kg material 40
6.0
Embodied Energy, MJ/kg 650
82
Embodied Water, L/kg 220
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
21
Strength to Weight: Bending, points 45 to 47
20
Thermal Shock Resistance, points 62 to 66
14

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.040
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0.35 to 1.0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
42 to 52.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.3 to 5.0
Nickel (Ni), % 0
24 to 26
Niobium (Nb), % 0
0 to 0.4
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.030
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