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SAE-AISI H41 Steel vs. SAE-AISI H25 Steel

Both SAE-AISI H41 steel and SAE-AISI H25 steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H41 steel and the bottom bar is SAE-AISI H25 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1560
1750
Melting Onset (Solidus), °C 1510
1700
Specific Heat Capacity, J/kg-K 450
420
Thermal Conductivity, W/m-K 28
26
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
38
Density, g/cm3 8.1
9.1
Embodied Carbon, kg CO2/kg material 6.8
6.2
Embodied Energy, MJ/kg 97
93
Embodied Water, L/kg 97
83

Common Calculations

PREN (Pitting Resistance) 35
29
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 24 to 76
22 to 50
Strength to Weight: Bending, points 22 to 47
20 to 34
Thermal Diffusivity, mm2/s 7.7
6.7
Thermal Shock Resistance, points 20 to 64
22 to 49

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.22 to 0.32
Chromium (Cr), % 3.5 to 4.0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 81.8 to 85
77.2 to 81.3
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
14 to 16
Vanadium (V), % 1.0 to 1.3
0.4 to 0.6

Comparable Variants