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EN 1.8550 Steel vs. SAE-AISI H10 Steel

Both EN 1.8550 steel and SAE-AISI H10 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 1000
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 40
38
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.4
Embodied Energy, MJ/kg 23
48
Embodied Water, L/kg 67
71

Common Calculations

PREN (Pitting Resistance) 2.3
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
24 to 72
Strength to Weight: Bending, points 29
22 to 46
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 29
22 to 66

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.35 to 0.45
Chromium (Cr), % 1.5 to 1.8
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 94.4 to 96.3
89.5 to 93.4
Manganese (Mn), % 0.4 to 0.7
0.25 to 0.7
Molybdenum (Mo), % 0.15 to 0.25
2.0 to 3.0
Nickel (Ni), % 0.85 to 1.2
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0.8 to 1.2
Sulfur (S), % 0 to 0.035
0 to 0.030
Vanadium (V), % 0
0.25 to 0.75