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SAE-AISI M62 Steel vs. ASTM A387 Grade 9 Steel

Both SAE-AISI M62 steel and ASTM A387 grade 9 steel are iron alloys. They have 81% 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 A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
500 to 600

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1650
1460
Melting Onset (Solidus), °C 1600
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
6.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
2.1
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 110
87

Common Calculations

PREN (Pitting Resistance) 49
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
18 to 21
Strength to Weight: Bending, points 23 to 47
18 to 20
Thermal Shock Resistance, points 24 to 71
14 to 17

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.15
Chromium (Cr), % 3.5 to 4.0
8.0 to 10
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
87.1 to 90.8
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 10 to 11
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0 to 0.040

Comparable Variants