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S64512 Stainless Steel vs. ACI-ASTM CD4MCu Steel

Both S64512 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 S64512 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, % 17
18
Fatigue Strength, MPa 540
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1140
770
Tensile Strength: Yield (Proof), MPa 890
550

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 28
17
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 18
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
28
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 7.5
4.5
Thermal Shock Resistance, points 42
21

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.040
Chromium (Cr), % 11 to 12.5
24.5 to 26.5
Copper (Cu), % 0
2.8 to 3.3
Iron (Fe), % 80.6 to 84.7
59.9 to 66.3
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
1.8 to 2.3
Nickel (Ni), % 2.0 to 3.0
4.8 to 6.0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0.25 to 0.4
0