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SAE-AISI A6 Steel vs. SAE-AISI H13 Steel

Both SAE-AISI A6 steel and SAE-AISI H13 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 A6 steel and the bottom bar is SAE-AISI H13 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 750 to 1990
690 to 1820

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
29
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
6.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.3
Embodied Energy, MJ/kg 24
64
Embodied Water, L/kg 57
78

Common Calculations

PREN (Pitting Resistance) 4.8
9.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 71
25 to 65
Strength to Weight: Bending, points 23 to 45
22 to 43
Thermal Diffusivity, mm2/s 11
7.8
Thermal Shock Resistance, points 25 to 65
25 to 65

Alloy Composition

Carbon (C), % 0.65 to 0.75
0.32 to 0.45
Chromium (Cr), % 0.9 to 1.2
4.8 to 5.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93 to 95.8
88.8 to 92
Manganese (Mn), % 1.8 to 2.5
0.2 to 0.5
Molybdenum (Mo), % 0.9 to 1.4
1.1 to 1.8
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.2

Comparable Variants