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AWS E312 vs. S45500 Stainless Steel

Both AWS E312 and S45500 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 21 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 AWS E312 and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
3.4 to 11
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 740
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.8
Embodied Energy, MJ/kg 52
57
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 31
13
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
48 to 65
Strength to Weight: Bending, points 24
35 to 42
Thermal Shock Resistance, points 18
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 28 to 32
11 to 12.5
Copper (Cu), % 0 to 0.75
1.5 to 2.5
Iron (Fe), % 52.3 to 63.5
71.5 to 79.2
Manganese (Mn), % 0.5 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 8.0 to 10.5
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4