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EN 1.8888 Steel vs. AISI 405 Stainless Steel

Both EN 1.8888 steel and AISI 405 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is AISI 405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
22
Fatigue Strength, MPa 470
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 510
300
Tensile Strength: Ultimate (UTS), MPa 830
470
Tensile Strength: Yield (Proof), MPa 720
200

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 420
820
Melting Completion (Liquidus), °C 1460
1530
Melting Onset (Solidus), °C 1420
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 26
28
Embodied Water, L/kg 54
100

Common Calculations

PREN (Pitting Resistance) 2.0
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 24
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 0 to 1.5
11.5 to 14.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
82.5 to 88.4
Manganese (Mn), % 0 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
0 to 0.6
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0