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S30601 Stainless Steel vs. S31277 Stainless Steel

Both S30601 stainless steel and S31277 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% 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 S30601 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 37
45
Fatigue Strength, MPa 250
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Shear Strength, MPa 450
600
Tensile Strength: Ultimate (UTS), MPa 660
860
Tensile Strength: Yield (Proof), MPa 300
410

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 20
36
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 3.9
6.7
Embodied Energy, MJ/kg 55
90
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 18
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
320
Resilience: Unit (Modulus of Resilience), kJ/m3 230
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.020
Chromium (Cr), % 17 to 18
20.5 to 23
Copper (Cu), % 0 to 0.35
0.5 to 1.5
Iron (Fe), % 56.9 to 60.5
35.5 to 46.2
Manganese (Mn), % 0.5 to 0.8
0 to 3.0
Molybdenum (Mo), % 0 to 0.2
6.5 to 8.0
Nickel (Ni), % 17 to 18
26 to 28
Nitrogen (N), % 0 to 0.050
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 5.0 to 5.6
0 to 0.5
Sulfur (S), % 0 to 0.013
0 to 0.010