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EN 1.4872 Stainless Steel vs. ACI-ASTM CN3M Steel

Both EN 1.4872 stainless steel and ACI-ASTM CN3M steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 410
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 950
500
Tensile Strength: Yield (Proof), MPa 560
190

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 3.3
5.9
Embodied Energy, MJ/kg 47
80
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 30
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
130
Resilience: Unit (Modulus of Resilience), kJ/m3 780
89
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
17
Strength to Weight: Bending, points 28
17
Thermal Diffusivity, mm2/s 3.9
3.4
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.030
Chromium (Cr), % 24 to 26
20 to 22
Iron (Fe), % 54.2 to 61.6
42.4 to 52.5
Manganese (Mn), % 8.0 to 10
0 to 2.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 6.0 to 8.0
23 to 27
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030