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EN 1.4849 Stainless Steel vs. ACI-ASTM CD3MN Steel

Both EN 1.4849 stainless steel and ACI-ASTM CD3MN steel are iron alloys. They have 65% 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 EN 1.4849 stainless steel and the bottom bar is ACI-ASTM CD3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
29
Fatigue Strength, MPa 120
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 480
710
Tensile Strength: Yield (Proof), MPa 250
460

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 620
430
Maximum Temperature: Mechanical, °C 1020
1060
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
3.6
Embodied Energy, MJ/kg 100
50
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 20
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 18 to 21
21 to 23.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 32.6 to 43.5
62.6 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 36 to 39
4.5 to 6.5
Niobium (Nb), % 1.2 to 1.8
0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020