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AISI 205 Stainless Steel vs. AISI 430 Stainless Steel

Both AISI 205 stainless steel and AISI 430 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
24
Fatigue Strength, MPa 410 to 640
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560 to 850
320
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
500
Tensile Strength: Yield (Proof), MPa 450 to 1100
260

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1380
1510
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.5
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.1
Embodied Energy, MJ/kg 37
30
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
100
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
18
Strength to Weight: Bending, points 25 to 37
18
Thermal Shock Resistance, points 16 to 29
18

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.12
Chromium (Cr), % 16.5 to 18.5
16 to 18
Iron (Fe), % 62.6 to 68.1
79.1 to 84
Manganese (Mn), % 14 to 15.5
0 to 1.0
Nickel (Ni), % 1.0 to 1.7
0 to 0.75
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030