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AWS E410NiMo vs. ASTM Grade HH Steel

Both AWS E410NiMo and ASTM grade HH steel are iron alloys. They have 76% 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 E410NiMo and the bottom bar is ASTM grade HH steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
11
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 850
580

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
14
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.7
Embodied Energy, MJ/kg 34
53
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 14
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 6.5
3.8
Thermal Shock Resistance, points 23
12

Alloy Composition

Carbon (C), % 0 to 0.060
0.2 to 0.5
Chromium (Cr), % 11 to 12.5
24 to 28
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 79 to 84.6
52.9 to 64.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.7
0 to 0.5
Nickel (Ni), % 4.0 to 5.0
11 to 14
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040