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SAE-AISI H13 Steel vs. SAE-AISI P4 Steel

Both SAE-AISI H13 steel and SAE-AISI P4 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H13 steel and the bottom bar is SAE-AISI P4 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 74
74
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
390 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 29
41
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
4.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.8
Embodied Energy, MJ/kg 64
23
Embodied Water, L/kg 78
68

Common Calculations

PREN (Pitting Resistance) 9.9
7.0
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 65
14 to 70
Strength to Weight: Bending, points 22 to 43
15 to 45
Thermal Diffusivity, mm2/s 7.8
11
Thermal Shock Resistance, points 25 to 65
13 to 64

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.12
Chromium (Cr), % 4.8 to 5.5
4.0 to 5.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 88.8 to 92
92.3 to 95.3
Manganese (Mn), % 0.2 to 0.5
0.2 to 0.6
Molybdenum (Mo), % 1.1 to 1.8
0.4 to 1.0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.2
0

Comparable Variants