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ASTM Grade HC Steel vs. AWS E33-31

Both ASTM grade HC steel and AWS E33-31 are iron alloys. They have 61% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 6.0
29
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 430
810

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 14
36
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
6.0
Embodied Energy, MJ/kg 40
86
Embodied Water, L/kg 170
260

Common Calculations

PREN (Pitting Resistance) 29
44
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 16
28
Strength to Weight: Bending, points 16
24
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
31 to 35
Copper (Cu), % 0
0.4 to 0.8
Iron (Fe), % 61.9 to 74
24.7 to 34.8
Manganese (Mn), % 0 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 0 to 0.5
1.0 to 2.0
Nickel (Ni), % 0 to 4.0
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.9
Sulfur (S), % 0 to 0.040
0 to 0.010