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S44660 Stainless Steel vs. S30615 Stainless Steel

Both S44660 stainless steel and S30615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% 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 S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
39
Fatigue Strength, MPa 330
270
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 88
84
Shear Modulus, GPa 81
75
Shear Strength, MPa 410
470
Tensile Strength: Ultimate (UTS), MPa 660
690
Tensile Strength: Yield (Proof), MPa 510
310

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Maximum Temperature: Corrosion, °C 640
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 21
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 4.3
3.7
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 38
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 640
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.030
0.16 to 0.24
Chromium (Cr), % 25 to 28
17 to 19.5
Iron (Fe), % 60.4 to 71
56.7 to 65.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 1.0 to 3.5
13.5 to 16
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
3.2 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0