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SAE-AISI H19 Steel vs. SAE-AISI T6 Steel

Both SAE-AISI H19 steel and SAE-AISI T6 steel are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1540
1830
Melting Onset (Solidus), °C 1490
1770
Specific Heat Capacity, J/kg-K 460
400
Thermal Conductivity, W/m-K 29
18
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
70
Density, g/cm3 8.2
9.5
Embodied Carbon, kg CO2/kg material 7.5
11
Embodied Energy, MJ/kg 110
170
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 13
39
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 24 to 68
26 to 63
Strength to Weight: Bending, points 22 to 43
21 to 39
Thermal Diffusivity, mm2/s 7.9
4.7
Thermal Shock Resistance, points 21 to 59
26 to 64

Alloy Composition

Carbon (C), % 0.32 to 0.45
0.75 to 0.85
Chromium (Cr), % 4.0 to 4.8
4.0 to 4.8
Cobalt (Co), % 4.0 to 4.5
11 to 13
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 81.4 to 85.5
55.9 to 63.5
Manganese (Mn), % 0.2 to 0.5
0.2 to 0.4
Molybdenum (Mo), % 0.3 to 0.55
0.4 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 4.5
18.5 to 21
Vanadium (V), % 1.8 to 2.2
1.5 to 2.1

Comparable Variants