MakeItFrom.com
Menu (ESC)

ASTM B817 Type I vs. S31730 Stainless Steel

ASTM B817 type I belongs to the titanium alloys classification, while S31730 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type I and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 4.0 to 13
40
Fatigue Strength, MPa 360 to 520
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 770 to 960
540
Tensile Strength: Yield (Proof), MPa 700 to 860
200

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
990
Melting Completion (Liquidus), °C 1600
1430
Melting Onset (Solidus), °C 1550
1390
Specific Heat Capacity, J/kg-K 560
470
Thermal Expansion, µm/m-K 9.6
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 4.4
8.0
Embodied Carbon, kg CO2/kg material 38
4.6
Embodied Energy, MJ/kg 610
63
Embodied Water, L/kg 200
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
99
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 48 to 60
19
Strength to Weight: Bending, points 42 to 49
18
Thermal Shock Resistance, points 54 to 68
12

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
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
52.4 to 61
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0 to 0.040
0 to 0.045
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0