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AWS ENiCrCoMo-1 vs. ASTM Grade HD Steel

AWS ENiCrCoMo-1 belongs to the nickel alloys classification, while ASTM grade HD steel belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrCoMo-1 and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
9.1
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 710
590

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 440
490
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
17
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
3.1
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 340
180

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.5
Chromium (Cr), % 21 to 26
26 to 30
Cobalt (Co), % 9.0 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
58.4 to 70
Manganese (Mn), % 0.3 to 2.5
0 to 1.5
Molybdenum (Mo), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 38.6 to 61.7
4.0 to 7.0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Residuals, % 0 to 0.5
0