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ACI-ASTM CF3M Steel vs. EN 1.4306 Stainless Steel

Both ACI-ASTM CF3M steel and EN 1.4306 stainless steel are iron alloys. They have a very high 97% 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 CF3M steel and the bottom bar is EN 1.4306 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 55
14 to 45
Fatigue Strength, MPa 270
190 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 520
580 to 900
Tensile Strength: Yield (Proof), MPa 260
210 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 990
960
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.2
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 27
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 170
110 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21 to 32
Strength to Weight: Bending, points 18
20 to 27
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 21
18 to 20
Iron (Fe), % 59.9 to 72
64.8 to 72
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
10 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015