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S30452 Stainless Steel vs. ACI-ASTM CF8M Steel

Both S30452 stainless steel and ACI-ASTM CF8M steel are iron alloys. They have a very high 95% 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 S30452 stainless steel and the bottom bar is ACI-ASTM CF8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
50
Fatigue Strength, MPa 250
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 660
540
Tensile Strength: Yield (Proof), MPa 310
290

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 960
1000
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 43
53
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 20
18 to 21
Iron (Fe), % 66.3 to 73.8
60.3 to 71
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 8.0 to 10.5
9.0 to 12
Nitrogen (N), % 0.16 to 0.3
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040