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S30530 Stainless Steel vs. S31277 Stainless Steel

Both S30530 stainless steel and S31277 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 73% of their average alloy composition in common. There are 28 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 S30530 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 46
45
Fatigue Strength, MPa 210
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 410
600
Tensile Strength: Ultimate (UTS), MPa 590
860
Tensile Strength: Yield (Proof), MPa 230
410

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 970
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.4
6.7
Embodied Energy, MJ/kg 48
90
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 22
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
320
Resilience: Unit (Modulus of Resilience), kJ/m3 130
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 17 to 20.5
20.5 to 23
Copper (Cu), % 0.75 to 3.5
0.5 to 1.5
Iron (Fe), % 58.4 to 72.5
35.5 to 46.2
Manganese (Mn), % 0 to 2.0
0 to 3.0
Molybdenum (Mo), % 0.75 to 1.5
6.5 to 8.0
Nickel (Ni), % 8.5 to 11.5
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0.5 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010