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S44660 Stainless Steel vs. S42030 Stainless Steel

Both S44660 stainless steel and S42030 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common. There are 32 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 S44660 stainless steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
16
Fatigue Strength, MPa 330
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 410
410
Tensile Strength: Ultimate (UTS), MPa 660
670
Tensile Strength: Yield (Proof), MPa 510
410

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 640
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
28
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.5
Embodied Energy, MJ/kg 61
34
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 38
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
92
Resilience: Unit (Modulus of Resilience), kJ/m3 640
440
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.5
7.7
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 25 to 28
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 60.4 to 71
77.6 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
1.0 to 3.0
Nickel (Ni), % 1.0 to 3.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0