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ASTM A372 Grade K Steel vs. AWS E310H

Both ASTM A372 grade K steel and AWS E310H are iron alloys. They have 54% 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 ASTM A372 grade K steel and the bottom bar is AWS E310H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
11
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 780
690

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
4.6
Embodied Energy, MJ/kg 24
65
Embodied Water, L/kg 57
200

Common Calculations

PREN (Pitting Resistance) 2.7
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 13
3.8
Thermal Shock Resistance, points 23
17

Alloy Composition

Carbon (C), % 0 to 0.18
0.35 to 0.45
Chromium (Cr), % 1.0 to 1.8
25 to 28
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 93.4 to 96.6
44.2 to 53.7
Manganese (Mn), % 0.1 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 0.2 to 0.6
0 to 0.75
Nickel (Ni), % 2.0 to 3.3
20 to 22.5
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030