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AWS E317 vs. ASTM A387 Grade 22 Steel

Both AWS E317 and ASTM A387 grade 22 steel are iron alloys. They have 66% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E317 and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
21
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 620
480 to 600

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.7
Embodied Energy, MJ/kg 59
23
Embodied Water, L/kg 170
58

Common Calculations

PREN (Pitting Resistance) 31
5.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17 to 21
Strength to Weight: Bending, points 20
17 to 20
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 16
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 18 to 21
2.0 to 2.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 56.6 to 66.5
95.1 to 96.8
Manganese (Mn), % 0.5 to 2.5
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0.9 to 1.1
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025