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SAE-AISI H13 Steel vs. AISI 439 Stainless Steel

Both SAE-AISI H13 steel and AISI 439 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H13 steel and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
490

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 29
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.3
Embodied Energy, MJ/kg 64
34
Embodied Water, L/kg 78
120

Common Calculations

PREN (Pitting Resistance) 9.9
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 65
18
Strength to Weight: Bending, points 22 to 43
18
Thermal Diffusivity, mm2/s 7.8
6.7
Thermal Shock Resistance, points 25 to 65
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.8 to 92
77.1 to 82.8
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.1 to 1.8
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1
Vanadium (V), % 0.8 to 1.2
0