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ASTM B817 Type I vs. SAE-AISI 6150 Steel

ASTM B817 type I belongs to the titanium alloys classification, while SAE-AISI 6150 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type I and the bottom bar is SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 4.0 to 13
15 to 23
Fatigue Strength, MPa 360 to 520
300 to 750
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 770 to 960
630 to 1200
Tensile Strength: Yield (Proof), MPa 700 to 860
420 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
420
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
46
Thermal Expansion, µm/m-K 9.6
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.3
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
2.0
Embodied Energy, MJ/kg 610
28
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
460 to 3590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 48 to 60
22 to 43
Strength to Weight: Bending, points 42 to 49
21 to 32
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 54 to 68
20 to 38

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0.48 to 0.53
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0.8 to 1.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
96.7 to 97.7
Manganese (Mn), % 0
0.7 to 0.9
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0.15 to 0.3
Residuals, % 0 to 0.4
0