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S44800 Stainless Steel vs. S30615 Stainless Steel

Both S44800 stainless steel and S30615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
39
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
75
Shear Strength, MPa 370
470
Tensile Strength: Ultimate (UTS), MPa 590
690
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Maximum Temperature: Corrosion, °C 460
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 19
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 52
53
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 42
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 480
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.6
3.7
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.010
0.16 to 0.24
Chromium (Cr), % 28 to 30
17 to 19.5
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
56.7 to 65.3
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
13.5 to 16
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.2
3.2 to 4.0
Sulfur (S), % 0 to 0.020
0 to 0.030