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SAE-AISI S5 Steel vs. SAE-AISI H10 Steel

Both SAE-AISI S5 steel and SAE-AISI H10 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI S5 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 72
74
Tensile Strength: Ultimate (UTS), MPa 680 to 1940
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 42
38
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.1
3.4
Embodied Energy, MJ/kg 29
48
Embodied Water, L/kg 51
71

Common Calculations

PREN (Pitting Resistance) 2.9
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 70
24 to 72
Strength to Weight: Bending, points 22 to 45
22 to 46
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 23 to 65
22 to 66

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.35 to 0.45
Chromium (Cr), % 0 to 0.5
3.0 to 3.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.6 to 97
89.5 to 93.4
Manganese (Mn), % 0.6 to 1.0
0.25 to 0.7
Molybdenum (Mo), % 0.2 to 1.4
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.8 to 2.3
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.35
0.25 to 0.75

Comparable Variants