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EN 1.4594 Stainless Steel vs. ACI-ASTM CD4MCuN Steel

Both EN 1.4594 stainless steel and ACI-ASTM CD4MCuN 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4594 stainless steel and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
18
Fatigue Strength, MPa 490 to 620
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
770
Tensile Strength: Yield (Proof), MPa 810 to 1140
550

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.5
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 41
28
Strength to Weight: Bending, points 29 to 31
24
Thermal Diffusivity, mm2/s 4.4
4.5
Thermal Shock Resistance, points 34 to 39
21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.040
Chromium (Cr), % 13 to 15
24.5 to 26.5
Copper (Cu), % 1.2 to 2.0
2.7 to 3.3
Iron (Fe), % 72.6 to 79.5
59.5 to 66.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.2 to 2.0
1.7 to 2.3
Nickel (Ni), % 5.0 to 6.0
4.7 to 6.0
Niobium (Nb), % 0.15 to 0.6
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040