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AISI 309S Stainless Steel vs. S30615 Stainless Steel

Both AISI 309S stainless steel and S30615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 309S 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 200
190
Elongation at Break, % 42
39
Fatigue Strength, MPa 210
270
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 84
84
Shear Modulus, GPa 78
75
Shear Strength, MPa 400
470
Tensile Strength: Ultimate (UTS), MPa 580
690
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1080
960
Melting Completion (Liquidus), °C 1420
1370
Melting Onset (Solidus), °C 1370
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.6
3.7
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
260
Stiffness to Weight: Axial, points 14
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 4.0
3.7
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.080
0.16 to 0.24
Chromium (Cr), % 22 to 24
17 to 19.5
Iron (Fe), % 58.1 to 66
56.7 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 12 to 15
13.5 to 16
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
3.2 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.030