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

Both SAE-AISI H25 steel and SAE-AISI H41 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 H25 steel and the bottom bar is SAE-AISI H41 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 79
77
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
710 to 2210

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants