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AWS E2595 vs. ASTM A387 Grade 2 Steel

Both AWS E2595 and ASTM A387 grade 2 steel are iron alloys. They have 60% 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 E2595 and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
25
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 850
470 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.4
1.6
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 190
50

Common Calculations

PREN (Pitting Resistance) 42
2.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
16 to 20
Strength to Weight: Bending, points 25
17 to 19
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 21
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.040
0.050 to 0.21
Chromium (Cr), % 24 to 27
0.5 to 0.8
Copper (Cu), % 0.4 to 1.5
0
Iron (Fe), % 51.4 to 64.5
97.1 to 98.3
Manganese (Mn), % 0 to 2.5
0.55 to 0.8
Molybdenum (Mo), % 2.5 to 4.5
0.45 to 0.6
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.2
0.15 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0.4 to 1.0
0