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ACI-ASTM CD4MCuN Steel vs. EN 1.4658 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4658 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD4MCuN steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 18
28
Fatigue Strength, MPa 340
530
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 770
900
Tensile Strength: Yield (Proof), MPa 550
730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
4.5
Embodied Energy, MJ/kg 49
61
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 35
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 760
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
32
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 4.5
4.3
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24.5 to 26.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 2.7 to 3.3
0 to 1.0
Iron (Fe), % 59.5 to 66.3
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.7 to 2.3
4.0 to 5.0
Nickel (Ni), % 4.7 to 6.0
5.5 to 9.5
Nitrogen (N), % 0.1 to 0.25
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010