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EN 1.4659 Stainless Steel vs. ACI-ASTM CF3MN Steel

Both EN 1.4659 stainless steel and ACI-ASTM CF3MN steel are iron alloys. They have 75% 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 EN 1.4659 stainless steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 49
39
Fatigue Strength, MPa 460
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 900
580
Tensile Strength: Yield (Proof), MPa 480
290

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
3.9
Embodied Energy, MJ/kg 89
53
Embodied Water, L/kg 220
160

Common Calculations

PREN (Pitting Resistance) 54
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
190
Resilience: Unit (Modulus of Resilience), kJ/m3 550
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
20
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 23 to 25
17 to 22
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
58.7 to 71.9
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 5.5 to 6.5
2.0 to 3.0
Nickel (Ni), % 21 to 23
9.0 to 13
Nitrogen (N), % 0.35 to 0.5
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040
Tungsten (W), % 1.5 to 2.5
0