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ASTM A182 Grade F122 vs. SAE-AISI H43 Steel

Both ASTM A182 grade F122 and SAE-AISI H43 steel are iron alloys. They have 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 ASTM A182 grade F122 and the bottom bar is SAE-AISI H43 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 710
710 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1490
1530
Melting Onset (Solidus), °C 1440
1480
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 24
30
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 44
120
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 17
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
25 to 75
Strength to Weight: Bending, points 22
22 to 46
Thermal Diffusivity, mm2/s 6.4
8.3
Thermal Shock Resistance, points 19
21 to 62

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.5 to 0.65
Chromium (Cr), % 10 to 11.5
3.8 to 4.5
Copper (Cu), % 0.3 to 1.7
0
Iron (Fe), % 81.3 to 87.7
83.2 to 85.9
Manganese (Mn), % 0 to 0.7
0.15 to 0.4
Molybdenum (Mo), % 0.25 to 0.6
7.8 to 8.5
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
1.8 to 2.2
Zirconium (Zr), % 0 to 0.010
0