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AISI 430 Stainless Steel vs. SAE-AISI 1025 Steel

Both AISI 430 stainless steel and SAE-AISI 1025 steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
17 to 28
Fatigue Strength, MPa 180
190 to 280
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
45 to 57
Shear Modulus, GPa 77
73
Shear Strength, MPa 320
290 to 310
Tensile Strength: Ultimate (UTS), MPa 500
450 to 500
Tensile Strength: Yield (Proof), MPa 260
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 30
18
Embodied Water, L/kg 120
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
16 to 18
Strength to Weight: Bending, points 18
17 to 18
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 18
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.12
0.22 to 0.28
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 79.1 to 84
99.03 to 99.48
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050