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AWS E312 vs. S44700 Stainless Steel

Both AWS E312 and S44700 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
23
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
82
Tensile Strength: Ultimate (UTS), MPa 740
600

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.6
Embodied Energy, MJ/kg 52
49
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 31
42
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 28 to 32
28 to 30
Copper (Cu), % 0 to 0.75
0 to 0.15
Iron (Fe), % 52.3 to 63.5
64.9 to 68.5
Manganese (Mn), % 0.5 to 2.5
0 to 0.3
Molybdenum (Mo), % 0 to 0.75
3.5 to 4.2
Nickel (Ni), % 8.0 to 10.5
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020