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AWS E312 vs. EN 1.4821 Stainless Steel

Both AWS E312 and EN 1.4821 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
18
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 740
730

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 52
41
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 31
26
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0 to 0.15
0.1 to 0.2
Chromium (Cr), % 28 to 32
24.5 to 26.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 52.3 to 63.5
64.2 to 71.1
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015