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EN 1.8888 Steel vs. EN 1.4507 Stainless Steel

Both EN 1.8888 steel and EN 1.4507 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4507 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
25
Fatigue Strength, MPa 470
410
Impact Strength: V-Notched Charpy, J 110
90
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 510
530
Tensile Strength: Ultimate (UTS), MPa 830
840
Tensile Strength: Yield (Proof), MPa 720
590

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.0
Embodied Energy, MJ/kg 26
55
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 2.0
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
850
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
30
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 24
23

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
24 to 26
Copper (Cu), % 0 to 0.3
1.0 to 2.5
Iron (Fe), % 91.9 to 100
56.4 to 65.8
Manganese (Mn), % 0 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
3.0 to 4.0
Nickel (Ni), % 0 to 2.5
6.0 to 8.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.2 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0