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AISI 430FSe Stainless Steel vs. ACI-ASTM CA6NM Steel

Both AISI 430FSe stainless steel and ACI-ASTM CA6NM steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 33 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 430FSe stainless steel and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 210
380
Poisson's Ratio 0.28
0.28
Reduction in Area, % 50
40
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 540
850
Tensile Strength: Yield (Proof), MPa 310
620

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 870
770
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.5
Embodied Energy, MJ/kg 30
34
Embodied Water, L/kg 120
110

Common Calculations

PREN (Pitting Resistance) 17
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
30
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 6.8
6.7
Thermal Shock Resistance, points 19
31

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.060
Chromium (Cr), % 16 to 18
11.5 to 14
Iron (Fe), % 79.5 to 84
78.4 to 84.6
Manganese (Mn), % 0 to 1.3
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0
3.5 to 4.5
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.060
0 to 0.030