MakeItFrom.com
Menu (ESC)

Grade 1 Titanium vs. ACI-ASTM CN7MS Steel

Grade 1 titanium belongs to the titanium alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
160
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
39
Fatigue Strength, MPa 170
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
77
Tensile Strength: Ultimate (UTS), MPa 310
540
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 420
340
Maximum Temperature: Mechanical, °C 320
1040
Melting Completion (Liquidus), °C 1660
1400
Melting Onset (Solidus), °C 1610
1350
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 8.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
28
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
5.1
Embodied Energy, MJ/kg 510
71
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
170
Resilience: Unit (Modulus of Resilience), kJ/m3 230
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 8.2
3.2
Thermal Shock Resistance, points 24
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0
1.5 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
45.4 to 53.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0