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ASTM A387 Grade 12 Steel vs. AWS E410

Both ASTM A387 grade 12 steel and AWS E410 are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 12 steel and the bottom bar is AWS E410.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 470 to 520
580
Tensile Strength: Yield (Proof), MPa 260 to 310
440

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
28
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 21
28
Embodied Water, L/kg 51
100

Common Calculations

PREN (Pitting Resistance) 2.7
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
500
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
21
Strength to Weight: Bending, points 17 to 18
20
Thermal Diffusivity, mm2/s 12
7.5
Thermal Shock Resistance, points 14 to 15
16

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.12
Chromium (Cr), % 0.8 to 1.2
11 to 13.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97 to 98.2
82.2 to 89
Manganese (Mn), % 0.4 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.6
0 to 0.75
Nickel (Ni), % 0
0 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 0.9
Sulfur (S), % 0 to 0.025
0 to 0.030