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S44735 Stainless Steel vs. S30615 Stainless Steel

Both S44735 stainless steel and S30615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 21
39
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
75
Shear Strength, MPa 390
470
Tensile Strength: Ultimate (UTS), MPa 630
690
Tensile Strength: Yield (Proof), MPa 460
310

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Corrosion, °C 650
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 480
500
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 4.4
3.7
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 42
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 520
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 20
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.030
0.16 to 0.24
Chromium (Cr), % 28 to 30
17 to 19.5
Iron (Fe), % 60.7 to 68.4
56.7 to 65.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
13.5 to 16
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
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