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S46500 Stainless Steel vs. ACI-ASTM CF3 Steel

Both S46500 stainless steel and ACI-ASTM CF3 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S46500 stainless steel and the bottom bar is ACI-ASTM CF3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.3 to 14
60
Fatigue Strength, MPa 550 to 890
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
510
Tensile Strength: Yield (Proof), MPa 1120 to 1810
250

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 680
420
Maximum Temperature: Mechanical, °C 780
960
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.2
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 15
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 44 to 68
18
Strength to Weight: Bending, points 33 to 44
18
Thermal Shock Resistance, points 44 to 67
11

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 11 to 12.5
17 to 21
Iron (Fe), % 72.6 to 76.1
62.9 to 75
Manganese (Mn), % 0 to 0.25
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.3
0 to 0.5
Nickel (Ni), % 10.7 to 11.3
8.0 to 12
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 1.5 to 1.8
0