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AWS E310H vs. ASTM Grade HN Steel

Both AWS E310H and ASTM grade HN steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E310H and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
9.0
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 690
500

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 26
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.6
4.6
Embodied Energy, MJ/kg 65
66
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 28
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.8
3.5
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.2 to 0.5
Chromium (Cr), % 25 to 28
19 to 23
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 44.2 to 53.7
44.9 to 57.8
Manganese (Mn), % 1.0 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 20 to 22.5
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040