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ACI-ASTM CD4MCu Steel vs. EN 1.4361 Stainless Steel

Both ACI-ASTM CD4MCu steel and EN 1.4361 stainless steel are iron alloys. They have 86% 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 ACI-ASTM CD4MCu steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
43
Fatigue Strength, MPa 340
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 770
630
Tensile Strength: Yield (Proof), MPa 550
250

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.5
3.6
Embodied Energy, MJ/kg 49
52
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 32
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 760
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.015
Chromium (Cr), % 24.5 to 26.5
16.5 to 18.5
Copper (Cu), % 2.8 to 3.3
0
Iron (Fe), % 59.9 to 66.3
58.7 to 65.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.3
0 to 0.2
Nickel (Ni), % 4.8 to 6.0
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
3.7 to 4.5
Sulfur (S), % 0 to 0.040
0 to 0.010