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S41041 Stainless Steel vs. ACI-ASTM CD6MN Steel

Both S41041 stainless steel and ACI-ASTM CD6MN 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 S41041 stainless steel and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 350
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910
730
Tensile Strength: Yield (Proof), MPa 580
510

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 29
16
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 31
48
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
180
Resilience: Unit (Modulus of Resilience), kJ/m3 860
650
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
26
Strength to Weight: Bending, points 27
23
Thermal Diffusivity, mm2/s 7.8
4.4
Thermal Shock Resistance, points 33
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0 to 0.060
Chromium (Cr), % 11.5 to 13
24 to 27
Iron (Fe), % 84.5 to 87.8
62.1 to 70.1
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
1.8 to 2.5
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040