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SAE-AISI M3 Class 2 Steel vs. AWS E330H

Both SAE-AISI M3 class 2 steel and AWS E330H are iron alloys. They have 52% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, 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 AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
690

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1620
1400
Melting Onset (Solidus), °C 1570
1350
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 12
5.4
Embodied Energy, MJ/kg 180
76
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 33
17
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 74
24
Strength to Weight: Bending, points 22 to 45
22
Thermal Diffusivity, mm2/s 7.2
3.2
Thermal Shock Resistance, points 24 to 69
19

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.35 to 0.45
Chromium (Cr), % 3.8 to 4.5
14 to 17
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 75.8 to 82.3
40.5 to 51.7
Manganese (Mn), % 0.15 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 4.8 to 6.5
0 to 0.75
Nickel (Ni), % 0 to 0.3
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0