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EN 1.4805 Stainless Steel vs. ACI-ASTM CD4MCu Steel

Both EN 1.4805 stainless steel and ACI-ASTM CD4MCu steel are iron alloys. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4805 stainless steel and the bottom bar is ACI-ASTM CD4MCu steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
18
Fatigue Strength, MPa 130
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 490
770
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.7
3.5
Embodied Energy, MJ/kg 66
49
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 22
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 3.7
4.5
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.040
Chromium (Cr), % 19 to 23
24.5 to 26.5
Copper (Cu), % 0
2.8 to 3.3
Iron (Fe), % 44.9 to 56.8
59.9 to 66.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
1.8 to 2.3
Nickel (Ni), % 23 to 27
4.8 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040