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S31655 Stainless Steel vs. S30601 Stainless Steel

Both S31655 stainless steel and S30601 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
37
Fatigue Strength, MPa 300
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 490
450
Tensile Strength: Ultimate (UTS), MPa 710
660
Tensile Strength: Yield (Proof), MPa 350
300

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1010
950
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 17
20
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.3
3.9
Embodied Energy, MJ/kg 46
55
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 27
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
200
Resilience: Unit (Modulus of Resilience), kJ/m3 310
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 19.5 to 21.5
17 to 18
Copper (Cu), % 0 to 1.0
0 to 0.35
Iron (Fe), % 63.2 to 71.9
56.9 to 60.5
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0.5 to 1.5
0 to 0.2
Nickel (Ni), % 8.0 to 9.5
17 to 18
Nitrogen (N), % 0.14 to 0.25
0 to 0.050
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
5.0 to 5.6
Sulfur (S), % 0 to 0.015
0 to 0.013