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ACI-ASTM CF8 Steel vs. EN 1.4852 Stainless Steel

Both ACI-ASTM CF8 steel and EN 1.4852 stainless steel are iron alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is ACI-ASTM CF8 steel and the bottom bar is EN 1.4852 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 55
4.6
Fatigue Strength, MPa 260
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 420
620
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
41
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
6.9
Embodied Energy, MJ/kg 44
100
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
19
Resilience: Unit (Modulus of Resilience), kJ/m3 160
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 4.3
3.4
Thermal Shock Resistance, points 13
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.3 to 0.5
Chromium (Cr), % 18 to 21
24 to 27
Iron (Fe), % 63.8 to 74
29.6 to 40.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 8.0 to 11
33 to 36
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.030