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AISI 348H Stainless Steel vs. EN 1.5515 Steel

Both AISI 348H stainless steel and EN 1.5515 steel are iron alloys. They have 70% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 348H stainless steel and the bottom bar is EN 1.5515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
64 to 69
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 580
490 to 1760

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 56
19
Embodied Water, L/kg 150
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17 to 63
Strength to Weight: Bending, points 20
18 to 41
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 13
14 to 52

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.040 to 0.1
0.35 to 0.4
Chromium (Cr), % 17 to 19
0 to 0.3
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 63.8 to 73.6
97.8 to 98.9
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0.32 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.15 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Tantalum (Ta), % 0 to 0.1
0