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ASTM Grade HH Steel vs. SAE-AISI H10 Steel

Both ASTM grade HH steel and SAE-AISI H10 steel are iron alloys. They have 65% of their average alloy composition in common. There are 24 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 ASTM grade HH steel and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 580
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
38
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 53
48
Embodied Water, L/kg 180
71

Common Calculations

PREN (Pitting Resistance) 27
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
24 to 72
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 3.8
10
Thermal Shock Resistance, points 12
22 to 66

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.35 to 0.45
Chromium (Cr), % 24 to 28
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 52.9 to 64.8
89.5 to 93.4
Manganese (Mn), % 0 to 2.0
0.25 to 0.7
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 11 to 14
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0.8 to 1.2
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.25 to 0.75