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ASTM B817 Type II vs. SAE-AISI 52100 Steel

ASTM B817 type II belongs to the titanium alloys classification, while SAE-AISI 52100 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 3.0 to 13
10 to 20
Fatigue Strength, MPa 390 to 530
250 to 340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 900 to 960
590 to 2010
Tensile Strength: Yield (Proof), MPa 780 to 900
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 350
430
Melting Completion (Liquidus), °C 1580
1450
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Expansion, µm/m-K 9.9
12 to 13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.4
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 40
1.5
Embodied Energy, MJ/kg 650
20
Embodied Water, L/kg 220
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
350 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 55 to 58
21 to 72
Strength to Weight: Bending, points 45 to 47
20 to 45
Thermal Shock Resistance, points 62 to 66
19 to 61

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0.93 to 1.1
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
1.4 to 1.6
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
96.5 to 97.3
Manganese (Mn), % 0
0.25 to 0.45
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.015
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