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ASTM B817 Type I vs. EN 1.4306 Stainless Steel

ASTM B817 type I belongs to the titanium alloys classification, while EN 1.4306 stainless steel belongs to the iron alloys. There are 29 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 ASTM B817 type I and the bottom bar is EN 1.4306 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 4.0 to 13
14 to 45
Fatigue Strength, MPa 360 to 520
190 to 330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 770 to 960
580 to 900
Tensile Strength: Yield (Proof), MPa 700 to 860
210 to 570

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
960
Melting Completion (Liquidus), °C 1600
1420
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
16
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
3.2
Embodied Energy, MJ/kg 610
45
Embodied Water, L/kg 200
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
110 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 48 to 60
21 to 32
Strength to Weight: Bending, points 42 to 49
20 to 27
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 54 to 68
13 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
18 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
64.8 to 72
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0 to 0.040
0 to 0.1
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0

Comparable Variants