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N08135 Stainless Steel vs. S31730 Stainless Steel

Both N08135 stainless steel and S31730 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N08135 stainless steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
40
Fatigue Strength, MPa 220
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 570
540
Tensile Strength: Yield (Proof), MPa 240
200

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 6.8
4.6
Embodied Energy, MJ/kg 94
63
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 38
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20.5 to 23.5
17 to 19
Copper (Cu), % 0 to 0.7
4.0 to 5.0
Iron (Fe), % 30.2 to 42.3
52.4 to 61
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
3.0 to 4.0
Nickel (Ni), % 33 to 38
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0.2 to 0.8
0