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ASTM A182 Grade F23 vs. ASTM B817 Type II

ASTM A182 grade F23 belongs to the iron alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 26 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 A182 grade F23 and the bottom bar is ASTM B817 type II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 22
3.0 to 13
Fatigue Strength, MPa 320
390 to 530
Poisson's Ratio 0.29
0.32
Reduction in Area, % 46
4.0 to 13
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 570
900 to 960
Tensile Strength: Yield (Proof), MPa 460
780 to 900

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 450
350
Melting Completion (Liquidus), °C 1500
1580
Melting Onset (Solidus), °C 1450
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Expansion, µm/m-K 13
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
37
Density, g/cm3 8.0
4.6
Embodied Carbon, kg CO2/kg material 2.5
40
Embodied Energy, MJ/kg 36
650
Embodied Water, L/kg 59
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
26 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 550
2890 to 3890
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
34
Strength to Weight: Axial, points 20
55 to 58
Strength to Weight: Bending, points 19
45 to 47
Thermal Shock Resistance, points 17
62 to 66

Alloy Composition


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Aluminum (Al), % 0 to 0.030
5.0 to 6.0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 1.9 to 2.6
0
Copper (Cu), % 0
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.2 to 96.2
0.35 to 1.0
Manganese (Mn), % 0.1 to 0.6
0
Molybdenum (Mo), % 0.050 to 0.3
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0.0050 to 0.060
82.1 to 87.8
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
5.0 to 6.0
Residuals, % 0
0 to 0.4