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SAE-AISI H26 Steel vs. SAE-AISI M41 Steel

Both SAE-AISI H26 steel and SAE-AISI M41 steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H26 steel and the bottom bar is SAE-AISI M41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1810
1600
Melting Onset (Solidus), °C 1760
1550
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 22
22
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
33
Density, g/cm3 9.3
8.4
Embodied Carbon, kg CO2/kg material 8.1
9.1
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 90
120

Common Calculations

PREN (Pitting Resistance) 34
28
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 22 to 63
26 to 76
Strength to Weight: Bending, points 19 to 39
23 to 46
Thermal Diffusivity, mm2/s 5.6
6.0
Thermal Shock Resistance, points 22 to 63
25 to 71

Alloy Composition

Carbon (C), % 0.45 to 0.55
1.1 to 1.2
Chromium (Cr), % 3.8 to 4.5
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 73.3 to 77.5
73.4 to 78.9
Manganese (Mn), % 0.15 to 0.4
0.2 to 0.6
Molybdenum (Mo), % 0
3.3 to 4.3
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 19
6.3 to 7.0
Vanadium (V), % 0.75 to 1.3
1.8 to 2.3

Comparable Variants