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AISI 310H Stainless Steel vs. Grade 7 Titanium

AISI 310H stainless steel belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 310H stainless steel and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
24
Fatigue Strength, MPa 200
250
Poisson's Ratio 0.27
0.32
Reduction in Area, % 51
34
Shear Modulus, GPa 79
38
Shear Strength, MPa 400
270
Tensile Strength: Ultimate (UTS), MPa 580
420
Tensile Strength: Yield (Proof), MPa 230
340

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1410
1660
Melting Onset (Solidus), °C 1360
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 16
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.3
47
Embodied Energy, MJ/kg 61
800
Embodied Water, L/kg 190
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
95
Resilience: Unit (Modulus of Resilience), kJ/m3 130
560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.9
8.9
Thermal Shock Resistance, points 13
31

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 49.1 to 57
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.7 to 99.88
Residuals, % 0
0 to 0.4