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EN 1.4418 Stainless Steel vs. ASTM A182 Grade F23

Both EN 1.4418 stainless steel and ASTM A182 grade F23 are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
22
Fatigue Strength, MPa 350 to 480
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 530 to 620
360
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
570
Tensile Strength: Yield (Proof), MPa 540 to 790
460

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
450
Melting Completion (Liquidus), °C 1450
1500
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 39
36
Embodied Water, L/kg 130
59

Common Calculations

PREN (Pitting Resistance) 20
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
20
Strength to Weight: Bending, points 26 to 28
19
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 31 to 36
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.060
0.040 to 0.1
Chromium (Cr), % 15 to 17
1.9 to 2.6
Iron (Fe), % 73.2 to 80.2
93.2 to 96.2
Manganese (Mn), % 0 to 1.5
0.1 to 0.6
Molybdenum (Mo), % 0.8 to 1.5
0.050 to 0.3
Nickel (Ni), % 4.0 to 6.0
0 to 0.4
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0 to 0.020
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3