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AISI 348H Stainless Steel vs. EN 1.3558 Steel

Both AISI 348H stainless steel and EN 1.3558 steel are iron alloys. They have 73% 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 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 580
770

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 940
490
Melting Completion (Liquidus), °C 1430
1810
Melting Onset (Solidus), °C 1390
1760
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
45
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 3.9
8.4
Embodied Energy, MJ/kg 56
130
Embodied Water, L/kg 150
90

Common Calculations

PREN (Pitting Resistance) 18
35
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.1
5.3
Thermal Shock Resistance, points 13
22

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.7 to 0.8
Chromium (Cr), % 17 to 19
3.9 to 4.3
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63.8 to 73.6
73.7 to 77.6
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 0
0 to 0.6
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 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0 to 0.1
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3