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ACI-ASTM CF8M Steel vs. EN 1.4872 Stainless Steel

Both ACI-ASTM CF8M steel and EN 1.4872 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 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 ACI-ASTM CF8M steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
28
Fatigue Strength, MPa 280
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 540
950
Tensile Strength: Yield (Proof), MPa 290
560

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1000
1150
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
17
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.8
3.3
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 28
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
230
Resilience: Unit (Modulus of Resilience), kJ/m3 210
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 19
35
Strength to Weight: Bending, points 19
28
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.3
Chromium (Cr), % 18 to 21
24 to 26
Iron (Fe), % 60.3 to 71
54.2 to 61.6
Manganese (Mn), % 0 to 1.5
8.0 to 10
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 12
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015