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AISI 430 Stainless Steel vs. S30815 Stainless Steel

Both AISI 430 stainless steel and S30815 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common. There are 35 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 AISI 430 stainless steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
45
Fatigue Strength, MPa 180
320
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
56
Rockwell B Hardness 77
82
Shear Modulus, GPa 77
77
Shear Strength, MPa 320
480
Tensile Strength: Ultimate (UTS), MPa 500
680
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 870
1020
Melting Completion (Liquidus), °C 1510
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.1
3.3
Embodied Energy, MJ/kg 30
47
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 17
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
260
Resilience: Unit (Modulus of Resilience), kJ/m3 170
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.12
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 16 to 18
20 to 22
Iron (Fe), % 79.1 to 84
62.8 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 0.8
Nickel (Ni), % 0 to 0.75
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.4 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030