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SAE-AISI M3 Class 1 Steel vs. AWS BVPd-1

SAE-AISI M3 class 1 steel belongs to the iron alloys classification, while AWS BVPd-1 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 1 steel and the bottom bar is AWS BVPd-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 77
56
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
240

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1610
1240
Melting Onset (Solidus), °C 1570
1230
Specific Heat Capacity, J/kg-K 440
310
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.3
11

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 23
16
Strength to Weight: Axial, points 26 to 72
6.1
Strength to Weight: Bending, points 22 to 44
7.9
Thermal Shock Resistance, points 24 to 67
9.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 1.0 to 1.1
0 to 0.0050
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 0
33.9 to 36
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.9 to 82.9
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.060
Palladium (Pd), % 0
64 to 66
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0
Zinc (Zn), % 0
0 to 0.0010