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EN 1.4542 Stainless Steel vs. ACI-ASTM CN3M Steel

Both EN 1.4542 stainless steel and ACI-ASTM CN3M steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 1.4542 stainless steel and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
34
Fatigue Strength, MPa 370 to 640
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
500
Tensile Strength: Yield (Proof), MPa 580 to 1300
190

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.7
5.9
Embodied Energy, MJ/kg 39
80
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 17
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
17
Strength to Weight: Bending, points 26 to 37
17
Thermal Diffusivity, mm2/s 4.3
3.4
Thermal Shock Resistance, points 29 to 49
11

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 15 to 17
20 to 22
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
42.4 to 52.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
4.5 to 5.5
Nickel (Ni), % 3.0 to 5.0
23 to 27
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030