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N08031 Stainless Steel vs. ACI-ASTM CD4MCu Steel

Both N08031 stainless steel and ACI-ASTM CD4MCu steel are iron alloys. They have 68% of their average alloy composition in common. There are 29 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 N08031 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, % 45
18
Fatigue Strength, MPa 290
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 730
770
Tensile Strength: Yield (Proof), MPa 310
550

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
18
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 7.1
3.5
Embodied Energy, MJ/kg 96
49
Embodied Water, L/kg 240
180

Common Calculations

PREN (Pitting Resistance) 52
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
130
Resilience: Unit (Modulus of Resilience), kJ/m3 230
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.040
Chromium (Cr), % 26 to 28
24.5 to 26.5
Copper (Cu), % 1.0 to 1.4
2.8 to 3.3
Iron (Fe), % 29 to 36.9
59.9 to 66.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
1.8 to 2.3
Nickel (Ni), % 30 to 32
4.8 to 6.0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.040