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ASTM A182 Grade F122 vs. SAE-AISI M47 Steel

Both ASTM A182 grade F122 and SAE-AISI M47 steel are iron alloys. They have 89% 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 M47 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
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1490
1540
Melting Onset (Solidus), °C 1440
1500
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 24
23
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
26
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.0
7.4
Embodied Energy, MJ/kg 44
100
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 17
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
28 to 79
Strength to Weight: Bending, points 22
24 to 48
Thermal Diffusivity, mm2/s 6.4
6.3
Thermal Shock Resistance, points 19
27 to 77

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
1.1 to 1.2
Chromium (Cr), % 10 to 11.5
3.5 to 4.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0.3 to 1.7
0 to 0.25
Iron (Fe), % 81.3 to 87.7
78.7 to 85
Manganese (Mn), % 0 to 0.7
0.15 to 0.4
Molybdenum (Mo), % 0.25 to 0.6
9.3 to 10
Nickel (Ni), % 0 to 0.5
0 to 0.3
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
1.3 to 1.8
Vanadium (V), % 0.15 to 0.3
1.2 to 1.4
Zirconium (Zr), % 0 to 0.010
0