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SAE-AISI H41 Steel vs. AISI 439 Stainless Steel

Both SAE-AISI H41 steel and AISI 439 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H41 steel and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
490

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1560
1510
Melting Onset (Solidus), °C 1510
1430
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 28
25
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.8
2.3
Embodied Energy, MJ/kg 97
34
Embodied Water, L/kg 97
120

Common Calculations

PREN (Pitting Resistance) 35
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
18
Strength to Weight: Bending, points 22 to 47
18
Thermal Diffusivity, mm2/s 7.7
6.7
Thermal Shock Resistance, points 20 to 64
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0.6 to 0.75
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
17 to 19
Iron (Fe), % 81.8 to 85
77.1 to 82.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0