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EN 1.7367 Steel vs. AISI 418 Stainless Steel

Both EN 1.7367 steel and AISI 418 stainless steel are iron alloys. They have a moderately high 91% 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 1.7367 steel and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
17
Fatigue Strength, MPa 310
520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 670
1100
Tensile Strength: Yield (Proof), MPa 460
850

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 600
770
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1460
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
15
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 37
41
Embodied Water, L/kg 88
110

Common Calculations

PREN (Pitting Resistance) 13
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 560
1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
38
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 6.9
6.7
Thermal Shock Resistance, points 19
40

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.15 to 0.2
Chromium (Cr), % 8.0 to 9.5
12 to 14
Iron (Fe), % 87.3 to 90.3
78.5 to 83.6
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.85 to 1.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
1.8 to 2.2
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0