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S30601 Stainless Steel vs. AISI 446 Stainless Steel

Both S30601 stainless steel and AISI 446 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 30 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 AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 37
23
Fatigue Strength, MPa 250
200
Poisson's Ratio 0.28
0.27
Reduction in Area, % 56
50
Shear Modulus, GPa 75
79
Shear Strength, MPa 450
360
Tensile Strength: Ultimate (UTS), MPa 660
570
Tensile Strength: Yield (Proof), MPa 300
300

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 950
1180
Melting Completion (Liquidus), °C 1360
1510
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 500
490
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.4
Embodied Energy, MJ/kg 55
35
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 18
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.2
Chromium (Cr), % 17 to 18
23 to 27
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
69.2 to 77
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 17 to 18
0 to 0.75
Nitrogen (N), % 0 to 0.050
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 5.0 to 5.6
0 to 1.0
Sulfur (S), % 0 to 0.013
0 to 0.030