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EN 1.4529 Stainless Steel vs. ACI-ASTM CN3M Steel

Both EN 1.4529 stainless steel and ACI-ASTM CN3M steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4529 stainless steel and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
34
Fatigue Strength, MPa 310
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 750
500
Tensile Strength: Yield (Proof), MPa 340
190

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.2
5.9
Embodied Energy, MJ/kg 84
80
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 45
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 3.2
3.4
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 21
20 to 22
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 42.7 to 50.4
42.4 to 52.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
4.5 to 5.5
Nickel (Ni), % 24 to 26
23 to 27
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030