MakeItFrom.com
Menu (ESC)

S30815 Stainless Steel vs. AISI 309 Stainless Steel

Both S30815 stainless steel and AISI 309 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
34 to 47
Fatigue Strength, MPa 320
250 to 280
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 82
84
Shear Modulus, GPa 77
78
Shear Strength, MPa 480
420 to 470
Tensile Strength: Ultimate (UTS), MPa 680
600 to 710
Tensile Strength: Yield (Proof), MPa 350
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1020
980
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 24
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 310
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21 to 25
Strength to Weight: Bending, points 22
20 to 23
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 15
14 to 16

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.2
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
22 to 24
Iron (Fe), % 62.8 to 68.4
58 to 66
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 10 to 12
12 to 15
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030