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SAE-AISI S5 Steel vs. SAE-AISI H11 Steel

Both SAE-AISI S5 steel and SAE-AISI H11 steel are iron alloys. They have a moderately high 94% 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 H11 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
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 42
42
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
5.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.1
3.0
Embodied Energy, MJ/kg 29
43
Embodied Water, L/kg 51
75

Common Calculations

PREN (Pitting Resistance) 2.9
9.6
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 70
25 to 66
Strength to Weight: Bending, points 22 to 45
22 to 43
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 23 to 65
22 to 58

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.33 to 0.43
Chromium (Cr), % 0 to 0.5
4.8 to 5.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.6 to 97
89.6 to 92.5
Manganese (Mn), % 0.6 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0.2 to 1.4
1.1 to 1.6
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
0.3 to 0.6

Comparable Variants