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ASTM B817 Type I vs. EN 1.4630 Stainless Steel

ASTM B817 type I belongs to the titanium alloys classification, while EN 1.4630 stainless steel belongs to the iron alloys. There are 29 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 ASTM B817 type I and the bottom bar is EN 1.4630 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 4.0 to 13
23
Fatigue Strength, MPa 360 to 520
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 770 to 960
480
Tensile Strength: Yield (Proof), MPa 700 to 860
250

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
800
Melting Completion (Liquidus), °C 1600
1440
Melting Onset (Solidus), °C 1550
1390
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
28
Thermal Expansion, µm/m-K 9.6
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
7.7
Embodied Carbon, kg CO2/kg material 38
2.5
Embodied Energy, MJ/kg 610
36
Embodied Water, L/kg 200
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
92
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 48 to 60
17
Strength to Weight: Bending, points 42 to 49
18
Thermal Diffusivity, mm2/s 2.9
7.5
Thermal Shock Resistance, points 54 to 68
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 1.5
Carbon (C), % 0 to 0.1
0 to 0.030
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
13 to 16
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
77.1 to 86.7
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0.2 to 1.5
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 87 to 91
0.15 to 0.8
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0