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EN 1.8888 Steel vs. EN 1.4416 Stainless Steel

Both EN 1.8888 steel and EN 1.4416 stainless steel are iron alloys. They have 52% 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 1.8888 steel and the bottom bar is EN 1.4416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
34
Fatigue Strength, MPa 470
170
Impact Strength: V-Notched Charpy, J 110
67
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 830
500
Tensile Strength: Yield (Proof), MPa 720
210

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1100
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 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
5.8
Embodied Energy, MJ/kg 26
79
Embodied Water, L/kg 54
190

Common Calculations

PREN (Pitting Resistance) 2.0
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 24
12

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 1.5
19 to 21
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
45.2 to 52.4
Manganese (Mn), % 0 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.7
4.5 to 5.5
Nickel (Ni), % 0 to 2.5
24 to 26
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.12 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0