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SAE-AISI H41 Steel vs. ASTM A182 Grade F122

Both SAE-AISI H41 steel and ASTM A182 grade F122 are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H41 steel and the bottom bar is ASTM A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
710

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1560
1490
Melting Onset (Solidus), °C 1510
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
24
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
12
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.8
3.0
Embodied Energy, MJ/kg 97
44
Embodied Water, L/kg 97
100

Common Calculations

PREN (Pitting Resistance) 35
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 76
25
Strength to Weight: Bending, points 22 to 47
22
Thermal Diffusivity, mm2/s 7.7
6.4
Thermal Shock Resistance, points 20 to 64
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.6 to 0.75
0.070 to 0.14
Chromium (Cr), % 3.5 to 4.0
10 to 11.5
Copper (Cu), % 0
0.3 to 1.7
Iron (Fe), % 81.8 to 85
81.3 to 87.7
Manganese (Mn), % 0.15 to 0.4
0 to 0.7
Molybdenum (Mo), % 8.2 to 9.2
0.25 to 0.6
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 1.4 to 2.1
1.5 to 2.5
Vanadium (V), % 1.0 to 1.3
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010