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SAE-AISI H26 Steel vs. S30530 Stainless Steel

Both SAE-AISI H26 steel and S30530 stainless steel are iron alloys. They have 70% 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 H26 steel and the bottom bar is S30530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
590

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1760
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
18
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.1
3.4
Embodied Energy, MJ/kg 120
48
Embodied Water, L/kg 90
150

Common Calculations

PREN (Pitting Resistance) 34
22
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 22 to 63
21
Strength to Weight: Bending, points 19 to 39
20
Thermal Diffusivity, mm2/s 5.6
4.1
Thermal Shock Resistance, points 22 to 63
13

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
17 to 20.5
Copper (Cu), % 0 to 0.25
0.75 to 3.5
Iron (Fe), % 73.3 to 77.5
58.4 to 72.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0 to 0.3
8.5 to 11.5
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 19
0
Vanadium (V), % 0.75 to 1.3
0