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EN 1.4301 Stainless Steel vs. ACI-ASTM CD4MCu Steel

Both EN 1.4301 stainless steel and ACI-ASTM CD4MCu steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.4301 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, % 14 to 46
18
Fatigue Strength, MPa 200 to 330
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 610 to 900
770
Tensile Strength: Yield (Proof), MPa 220 to 570
550

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 43
49
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
28
Strength to Weight: Bending, points 20 to 27
24
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 14 to 20
21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.040
Chromium (Cr), % 17.5 to 19.5
24.5 to 26.5
Copper (Cu), % 0
2.8 to 3.3
Iron (Fe), % 66.8 to 74.5
59.9 to 66.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 8.0 to 10.5
4.8 to 6.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040