MakeItFrom.com
Menu (ESC)

EN 1.4374 Stainless Steel vs. ACI-ASTM CD6MN Steel

Both EN 1.4374 stainless steel and ACI-ASTM CD6MN steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 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 EN 1.4374 stainless steel and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 340
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 800
730
Tensile Strength: Yield (Proof), MPa 400
510

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
180
Resilience: Unit (Modulus of Resilience), kJ/m3 400
650
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 17
20

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.060
Chromium (Cr), % 17.5 to 18.5
24 to 27
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 63.5 to 67.9
62.1 to 70.1
Manganese (Mn), % 9.0 to 10
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
1.8 to 2.5
Nickel (Ni), % 5.0 to 6.0
4.0 to 6.0
Nitrogen (N), % 0.25 to 0.32
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040