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EN 1.4948 Stainless Steel vs. Grade 6 Titanium

EN 1.4948 stainless steel belongs to the iron alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4948 stainless steel and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 48
11
Fatigue Strength, MPa 200
290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
39
Shear Strength, MPa 430
530
Tensile Strength: Ultimate (UTS), MPa 610
890
Tensile Strength: Yield (Proof), MPa 210
840

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 930
310
Melting Completion (Liquidus), °C 1430
1580
Melting Onset (Solidus), °C 1380
1530
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 17
7.8
Thermal Expansion, µm/m-K 16
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.0
30
Embodied Energy, MJ/kg 43
480
Embodied Water, L/kg 140
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
92
Resilience: Unit (Modulus of Resilience), kJ/m3 110
3390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 22
55
Strength to Weight: Bending, points 21
46
Thermal Diffusivity, mm2/s 4.5
3.2
Thermal Shock Resistance, points 14
65

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0.040 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 66.8 to 75
0 to 0.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 11
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Residuals, % 0
0 to 0.4