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EN 1.4938 Stainless Steel vs. SAE-AISI H26 Steel

Both EN 1.4938 stainless steel and SAE-AISI H26 steel are iron alloys. They have 81% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4938 stainless steel and the bottom bar is SAE-AISI H26 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
720 to 2100

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1460
1810
Melting Onset (Solidus), °C 1420
1760
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 30
22
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
45
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 3.3
8.1
Embodied Energy, MJ/kg 47
120
Embodied Water, L/kg 110
90

Common Calculations

PREN (Pitting Resistance) 18
34
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 31 to 37
22 to 63
Strength to Weight: Bending, points 26 to 29
19 to 39
Thermal Diffusivity, mm2/s 8.1
5.6
Thermal Shock Resistance, points 30 to 35
22 to 63

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.45 to 0.55
Chromium (Cr), % 11 to 12.5
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.5 to 84.8
73.3 to 77.5
Manganese (Mn), % 0.4 to 0.9
0.15 to 0.4
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0 to 0.3
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
17.3 to 19
Vanadium (V), % 0.25 to 0.4
0.75 to 1.3

Comparable Variants