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SAE-AISI M62 Steel vs. ASTM A356 Grade 8

Both SAE-AISI M62 steel and ASTM A356 grade 8 are iron alloys. They have 79% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
630

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1650
1470
Melting Onset (Solidus), °C 1600
1430
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
2.0
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 110
55

Common Calculations

PREN (Pitting Resistance) 49
4.7
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 27 to 80
22
Strength to Weight: Bending, points 23 to 47
21
Thermal Shock Resistance, points 24 to 71
18

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.2
Chromium (Cr), % 3.5 to 4.0
1.0 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
95.4 to 97.4
Manganese (Mn), % 0.15 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 10 to 11
0.9 to 1.2
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.4
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0.050 to 0.15