MakeItFrom.com
Menu (ESC)

AISI 314 Stainless Steel vs. S38815 Stainless Steel

Both AISI 314 stainless steel and S38815 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common. 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 AISI 314 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
34
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 410
410
Tensile Strength: Ultimate (UTS), MPa 590
610
Tensile Strength: Yield (Proof), MPa 230
290

Thermal Properties

Latent Heat of Fusion, J/g 330
370
Maximum Temperature: Corrosion, °C 440
400
Maximum Temperature: Mechanical, °C 1100
860
Melting Completion (Liquidus), °C 1380
1360
Melting Onset (Solidus), °C 1340
1310
Specific Heat Capacity, J/kg-K 490
500
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 4.3
3.8
Embodied Energy, MJ/kg 62
54
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 25
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
170
Resilience: Unit (Modulus of Resilience), kJ/m3 130
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 23 to 26
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 46.7 to 56.5
56.1 to 67
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 19 to 22
13 to 17
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.5 to 3.0
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020