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EN 1.8888 Steel vs. EN 1.7033 Steel

Both EN 1.8888 steel and EN 1.7033 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.7033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
150 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 830
500 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 26
19
Embodied Water, L/kg 54
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
18 to 61
Strength to Weight: Bending, points 25
18 to 41
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 24
15 to 50

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.3 to 0.37
Chromium (Cr), % 0 to 1.5
0.9 to 1.2
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
97.1 to 98.2
Manganese (Mn), % 0 to 1.7
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0