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ACI-ASTM CD4MCuN Steel vs. EN 1.4922 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4922 stainless steel are iron alloys. Both are furnished in the normalized and tempered condition. They have 76% of their average alloy composition in common. There are 31 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 ACI-ASTM CD4MCuN steel and the bottom bar is EN 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
16
Fatigue Strength, MPa 340
330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 770
770
Tensile Strength: Yield (Proof), MPa 550
550

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
720
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
24
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 18
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 49
40
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 35
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 760
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 4.5
6.5
Thermal Shock Resistance, points 21
27

Alloy Composition

Carbon (C), % 0 to 0.040
0.17 to 0.23
Chromium (Cr), % 24.5 to 26.5
10 to 12.5
Copper (Cu), % 2.7 to 3.3
0
Iron (Fe), % 59.5 to 66.3
83.5 to 88.2
Manganese (Mn), % 0 to 1.0
0.3 to 1.0
Molybdenum (Mo), % 1.7 to 2.3
0.8 to 1.2
Nickel (Ni), % 4.7 to 6.0
0.3 to 0.8
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0
0.2 to 0.35