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EN 1.4542 Stainless Steel vs. ACI-ASTM CF3 Steel

Both EN 1.4542 stainless steel and ACI-ASTM CF3 steel are iron alloys. They have a moderately high 90% 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 CF3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
60
Fatigue Strength, MPa 370 to 640
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
510
Tensile Strength: Yield (Proof), MPa 580 to 1300
250

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 860
960
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 39
45
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
250
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
18
Strength to Weight: Bending, points 26 to 37
18
Thermal Diffusivity, mm2/s 4.3
4.3
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
17 to 21
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
62.9 to 75
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
0 to 0.5
Nickel (Ni), % 3.0 to 5.0
8.0 to 12
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040