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S34565 Stainless Steel vs. ACI-ASTM CD4MCu Steel

Both S34565 stainless steel and ACI-ASTM CD4MCu steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S34565 stainless steel and the bottom bar is ACI-ASTM CD4MCu steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
18
Fatigue Strength, MPa 400
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 900
770
Tensile Strength: Yield (Proof), MPa 470
550

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.5
Embodied Energy, MJ/kg 73
49
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 47
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
130
Resilience: Unit (Modulus of Resilience), kJ/m3 540
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
28
Strength to Weight: Bending, points 26
24
Thermal Diffusivity, mm2/s 3.2
4.5
Thermal Shock Resistance, points 22
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 23 to 25
24.5 to 26.5
Copper (Cu), % 0
2.8 to 3.3
Iron (Fe), % 43.2 to 51.6
59.9 to 66.3
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
1.8 to 2.3
Nickel (Ni), % 16 to 18
4.8 to 6.0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.040