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S31254 Stainless Steel vs. N08135 Stainless Steel

Both S31254 stainless steel and N08135 stainless steel are iron alloys. They have 80% 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 S31254 stainless steel and the bottom bar is N08135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
46
Fatigue Strength, MPa 290
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
80
Shear Strength, MPa 490
400
Tensile Strength: Ultimate (UTS), MPa 720
570
Tensile Strength: Yield (Proof), MPa 330
240

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
39
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 5.5
6.8
Embodied Energy, MJ/kg 74
94
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 44
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
20.5 to 23.5
Copper (Cu), % 0.5 to 1.0
0 to 0.7
Iron (Fe), % 51.4 to 56.3
30.2 to 42.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 6.5
4.0 to 5.0
Nickel (Ni), % 17.5 to 18.5
33 to 38
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8