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S31730 Stainless Steel vs. S35500 Stainless Steel

Both S31730 stainless steel and S35500 stainless steel are iron alloys. They have 81% 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 S31730 stainless steel and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14
Fatigue Strength, MPa 170
690 to 730
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 370
810 to 910
Tensile Strength: Ultimate (UTS), MPa 540
1330 to 1490
Tensile Strength: Yield (Proof), MPa 200
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 990
870
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.6
3.5
Embodied Energy, MJ/kg 63
47
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 30
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 99
3610 to 4100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
47 to 53
Strength to Weight: Bending, points 18
34 to 37
Thermal Shock Resistance, points 12
44 to 49

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 17 to 19
15 to 16
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 52.4 to 61
73.2 to 77.7
Manganese (Mn), % 0 to 2.0
0.5 to 1.3
Molybdenum (Mo), % 3.0 to 4.0
2.5 to 3.2
Nickel (Ni), % 15 to 16.5
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0 to 0.045
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030