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AISI 348H Stainless Steel vs. AWS E310H

Both AISI 348H stainless steel and AWS E310H are iron alloys. They have 79% of their average alloy composition in common. There are 25 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 AISI 348H stainless steel and the bottom bar is AWS E310H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
11
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 580
690

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.9
4.6
Embodied Energy, MJ/kg 56
65
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 18
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.1
3.8
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.35 to 0.45
Chromium (Cr), % 17 to 19
25 to 28
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 63.8 to 73.6
44.2 to 53.7
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 9.0 to 13
20 to 22.5
Niobium (Nb), % 0.32 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0 to 0.1
0