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EN 1.4405 Stainless Steel vs. ACI-ASTM CF3M Steel

Both EN 1.4405 stainless steel and ACI-ASTM CF3M steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 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 EN 1.4405 stainless steel and the bottom bar is ACI-ASTM CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
55
Fatigue Strength, MPa 370
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 860
520
Tensile Strength: Yield (Proof), MPa 610
260

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 870
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 39
53
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 20
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 950
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 29
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
17 to 21
Iron (Fe), % 73.6 to 80.3
59.9 to 72
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.5
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
9.0 to 13
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.040