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SAE-AISI H25 Steel vs. S43932 Stainless Steel

Both SAE-AISI H25 steel and S43932 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 (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H25 steel and the bottom bar is S43932 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 79
77
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
460

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1750
1440
Melting Onset (Solidus), °C 1700
1400
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 26
23
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 38
12
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.7
Embodied Energy, MJ/kg 93
40
Embodied Water, L/kg 83
120

Common Calculations

PREN (Pitting Resistance) 29
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 50
17
Strength to Weight: Bending, points 20 to 34
17
Thermal Diffusivity, mm2/s 6.7
6.3
Thermal Shock Resistance, points 22 to 49
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0.22 to 0.32
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 77.2 to 81.3
76.7 to 83
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0.2 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.75
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0