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AISI 430 Stainless Steel vs. SAE-AISI 1345 Steel

Both AISI 430 stainless steel and SAE-AISI 1345 steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
11 to 23
Fatigue Strength, MPa 180
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 320
370 to 440
Tensile Strength: Ultimate (UTS), MPa 500
590 to 730
Tensile Strength: Yield (Proof), MPa 260
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 120
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
290 to 1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
21 to 26
Strength to Weight: Bending, points 18
20 to 23
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 18
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.12
0.43 to 0.48
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 79.1 to 84
97.2 to 97.8
Manganese (Mn), % 0 to 1.0
1.6 to 1.9
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040