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SAE-AISI H41 Steel vs. ACI-ASTM CK35MN Steel

Both SAE-AISI H41 steel and ACI-ASTM CK35MN steel are iron alloys. They have 58% 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 SAE-AISI H41 steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
650

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1560
1460
Melting Onset (Solidus), °C 1510
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.8
5.9
Embodied Energy, MJ/kg 97
81
Embodied Water, L/kg 97
210

Common Calculations

PREN (Pitting Resistance) 35
48
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
22
Strength to Weight: Bending, points 22 to 47
21
Thermal Diffusivity, mm2/s 7.7
3.3
Thermal Shock Resistance, points 20 to 64
14

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.035
Chromium (Cr), % 3.5 to 4.0
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 81.8 to 85
43.4 to 51.8
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 8.2 to 9.2
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0