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S30601 Stainless Steel vs. S32803 Stainless Steel

Both S30601 stainless steel and S32803 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% 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 S30601 stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 37
18
Fatigue Strength, MPa 250
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
81
Shear Strength, MPa 450
420
Tensile Strength: Ultimate (UTS), MPa 660
680
Tensile Strength: Yield (Proof), MPa 300
560

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
19
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.9
3.7
Embodied Energy, MJ/kg 55
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 18
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 16
22

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.015
Chromium (Cr), % 17 to 18
28 to 29
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
62.9 to 67.1
Manganese (Mn), % 0.5 to 0.8
0 to 0.5
Molybdenum (Mo), % 0 to 0.2
1.8 to 2.5
Nickel (Ni), % 17 to 18
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0 to 0.050
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 5.0 to 5.6
0 to 0.55
Sulfur (S), % 0 to 0.013
0 to 0.0035