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SAE-AISI M33 Steel vs. ASTM Grade HC Steel

Both SAE-AISI M33 steel and ASTM grade HC steel are iron alloys. They have 73% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M33 steel and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 810 to 2210
430

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1550
1410
Melting Onset (Solidus), °C 1500
1370
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 20
17
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
14
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 38
29
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 27 to 75
16
Strength to Weight: Bending, points 24 to 46
16
Thermal Diffusivity, mm2/s 5.5
4.5
Thermal Shock Resistance, points 25 to 68
14

Alloy Composition

Carbon (C), % 0.85 to 0.92
0 to 0.5
Chromium (Cr), % 3.5 to 4.0
26 to 30
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.4 to 76.3
61.9 to 74
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 9.0 to 10
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 4.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 1.3 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0