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EN 1.8823 Steel vs. EN 1.4438 Stainless Steel

Both EN 1.8823 steel and EN 1.4438 stainless steel are iron alloys. They have 64% 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 1.8823 steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
41
Fatigue Strength, MPa 270
220
Impact Strength: V-Notched Charpy, J 48
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 340
420
Tensile Strength: Ultimate (UTS), MPa 530
620
Tensile Strength: Yield (Proof), MPa 360
250

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.4
Embodied Energy, MJ/kg 22
60
Embodied Water, L/kg 49
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 360
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.16
0 to 0.030
Chromium (Cr), % 0 to 0.35
17.5 to 19.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.6 to 99.985
57.3 to 66.5
Manganese (Mn), % 0 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.13
3.0 to 4.0
Nickel (Ni), % 0 to 0.55
13 to 16
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.12
0