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ACI-ASTM CF3 Steel vs. S30600 Stainless Steel

Both ACI-ASTM CF3 steel and S30600 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3 steel and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 60
45
Fatigue Strength, MPa 270
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 510
610
Tensile Strength: Yield (Proof), MPa 250
270

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
950
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1450
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.2
3.6
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
220
Resilience: Unit (Modulus of Resilience), kJ/m3 160
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.3
3.7
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.018
Chromium (Cr), % 17 to 21
17 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.9 to 75
58.9 to 65.3
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 8.0 to 12
14 to 15.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
3.7 to 4.3
Sulfur (S), % 0 to 0.040
0 to 0.020