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AWS E312 vs. SAE-AISI M30 Steel

Both AWS E312 and SAE-AISI M30 steel are iron alloys. They have 63% of their average alloy composition in common. There are 20 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 AWS E312 and the bottom bar is SAE-AISI M30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 740
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1410
1550
Melting Onset (Solidus), °C 1360
1500
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
26
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.6
7.2
Embodied Energy, MJ/kg 52
100
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 31
35
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
27 to 74
Strength to Weight: Bending, points 24
24 to 46
Thermal Shock Resistance, points 18
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.15
0.75 to 0.85
Chromium (Cr), % 28 to 32
3.5 to 4.3
Cobalt (Co), % 0
4.5 to 5.5
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 52.3 to 63.5
75.2 to 80.9
Manganese (Mn), % 0.5 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.75
7.8 to 9.0
Nickel (Ni), % 8.0 to 10.5
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.3 to 2.3
Vanadium (V), % 0
1.0 to 1.4