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AISI 316 Stainless Steel vs. S31277 Stainless Steel

Both AISI 316 stainless steel and S31277 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 316 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, % 8.0 to 55
45
Fatigue Strength, MPa 210 to 430
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Shear Strength, MPa 350 to 690
600
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
860
Tensile Strength: Yield (Proof), MPa 230 to 850
410

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.9
6.7
Embodied Energy, MJ/kg 53
90
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 26
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
320
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 41
29
Strength to Weight: Bending, points 18 to 31
25
Thermal Shock Resistance, points 11 to 26
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 16 to 18
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 62 to 72
35.5 to 46.2
Manganese (Mn), % 0 to 2.0
0 to 3.0
Molybdenum (Mo), % 2.0 to 3.0
6.5 to 8.0
Nickel (Ni), % 10 to 14
26 to 28
Nitrogen (N), % 0 to 0.1
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010