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AWS E316LMn vs. ASTM A369 Grade FPA

Both AWS E316LMn and ASTM A369 grade FPA are iron alloys. They have 54% of their average alloy composition in common. There are 20 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 E316LMn and the bottom bar is ASTM A369 grade FPA.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
27
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 620
380

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
1.4
Embodied Energy, MJ/kg 64
18
Embodied Water, L/kg 180
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
13
Strength to Weight: Bending, points 20
15
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.25
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 47.5 to 59.4
98.3 to 99.63
Manganese (Mn), % 5.0 to 8.0
0.27 to 0.93
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 15 to 18
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.9
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.035