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S30615 Stainless Steel vs. S44660 Stainless Steel

Both S30615 stainless steel and S44660 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 S30615 stainless steel and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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