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EN 1.4982 Stainless Steel vs. ACI-ASTM CD3MN Steel

Both EN 1.4982 stainless steel and ACI-ASTM CD3MN steel are iron alloys. They have 89% 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 1.4982 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, % 28
29
Fatigue Strength, MPa 420
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 750
710
Tensile Strength: Yield (Proof), MPa 570
460

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 540
430
Maximum Temperature: Mechanical, °C 860
1060
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 22
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.9
3.6
Embodied Energy, MJ/kg 71
50
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 830
530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 3.4
4.3
Thermal Shock Resistance, points 17
20

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0 to 0.030
Chromium (Cr), % 14 to 16
21 to 23.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 61.8 to 69.7
62.6 to 71.9
Manganese (Mn), % 5.5 to 7.0
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
2.5 to 3.5
Nickel (Ni), % 9.0 to 11
4.5 to 6.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.15 to 0.4
0