MakeItFrom.com
Menu (ESC)

SAE-AISI M3 Class 2 Steel vs. ASTM Grade HD Steel

Both SAE-AISI M3 class 2 steel and ASTM grade HD steel are iron alloys. They have 70% 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 M3 class 2 steel and the bottom bar is ASTM grade HD 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 77
80
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
590

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1620
1410
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 26
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 12
3.1
Embodied Energy, MJ/kg 180
45
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 33
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 26 to 74
21
Strength to Weight: Bending, points 22 to 45
20
Thermal Diffusivity, mm2/s 7.2
4.3
Thermal Shock Resistance, points 24 to 69
19

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.5
Chromium (Cr), % 3.8 to 4.5
26 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.8 to 82.3
58.4 to 70
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.8 to 6.5
0 to 0.5
Nickel (Ni), % 0 to 0.3
4.0 to 7.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0