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AISI 415 Stainless Steel vs. S31277 Stainless Steel

Both AISI 415 stainless steel and S31277 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 415 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
45
Fatigue Strength, MPa 430
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 550
600
Tensile Strength: Ultimate (UTS), MPa 900
860
Tensile Strength: Yield (Proof), MPa 700
410

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 780
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.7
Embodied Energy, MJ/kg 35
90
Embodied Water, L/kg 110
220

Common Calculations

PREN (Pitting Resistance) 15
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
320
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 26
25
Thermal Shock Resistance, points 33
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 11.5 to 14
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 77.8 to 84
35.5 to 46.2
Manganese (Mn), % 0.5 to 1.0
0 to 3.0
Molybdenum (Mo), % 0.5 to 1.0
6.5 to 8.0
Nickel (Ni), % 3.5 to 5.5
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010