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AISI 430 Stainless Steel vs. S33425 Stainless Steel

Both AISI 430 stainless steel and S33425 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 70% of their average alloy composition in common. There are 33 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 430 stainless steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
45
Fatigue Strength, MPa 180
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 320
400
Tensile Strength: Ultimate (UTS), MPa 500
580
Tensile Strength: Yield (Proof), MPa 260
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
27
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.1
5.1
Embodied Energy, MJ/kg 30
71
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 17
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 16 to 18
21 to 23
Iron (Fe), % 79.1 to 84
47.2 to 56.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.75
20 to 23
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6