MakeItFrom.com
Menu (ESC)

AISI 304N Stainless Steel vs. ACI-ASTM CD3MN Steel

Both AISI 304N stainless steel and ACI-ASTM CD3MN steel are iron alloys. They have a moderately high 93% 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 AISI 304N stainless steel and the bottom bar is ACI-ASTM CD3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1 to 45
29
Fatigue Strength, MPa 220 to 440
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
710
Tensile Strength: Yield (Proof), MPa 270 to 850
460

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 960
1060
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 43
50
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
180
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 42
25
Strength to Weight: Bending, points 21 to 32
23
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 14 to 26
20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
21 to 23.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 66.4 to 73.9
62.6 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 8.0 to 10.5
4.5 to 6.5
Nitrogen (N), % 0.1 to 0.16
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020