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EN 1.8818 Steel vs. EN 1.4597 Stainless Steel

Both EN 1.8818 steel and EN 1.4597 stainless steel are iron alloys. They have 72% 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 1.8818 steel and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
45
Fatigue Strength, MPa 200
300
Impact Strength: V-Notched Charpy, J 48
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 280
470
Tensile Strength: Ultimate (UTS), MPa 440
680
Tensile Strength: Yield (Proof), MPa 270
330

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.5
Embodied Energy, MJ/kg 21
36
Embodied Water, L/kg 49
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
250
Resilience: Unit (Modulus of Resilience), kJ/m3 200
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 0 to 0.35
15 to 18
Copper (Cu), % 0 to 0.6
2.0 to 3.5
Iron (Fe), % 95.9 to 99.985
63 to 76.4
Manganese (Mn), % 0 to 1.6
6.5 to 9.0
Molybdenum (Mo), % 0 to 0.13
0 to 1.0
Nickel (Ni), % 0 to 0.35
0 to 3.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0.1 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.55
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.1
0