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AWS E209 vs. ASTM A372 Grade J Steel

Both AWS E209 and ASTM A372 grade J steel are iron alloys. They have 60% 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 E209 and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17 to 22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 770
650 to 1020

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 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 63
20
Embodied Water, L/kg 180
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
23 to 36
Strength to Weight: Bending, points 24
21 to 29
Thermal Shock Resistance, points 19
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.060
0.35 to 0.5
Chromium (Cr), % 20.5 to 24
0.8 to 1.2
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
96.7 to 97.8
Manganese (Mn), % 4.0 to 7.0
0.75 to 1.1
Molybdenum (Mo), % 1.5 to 3.0
0.15 to 0.25
Nickel (Ni), % 9.5 to 12
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0