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AISI 348H Stainless Steel vs. EN 1.7230 Steel

Both AISI 348H stainless steel and EN 1.7230 steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 1.7230 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 12
Fatigue Strength, MPa 200
320 to 460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580
720 to 910
Tensile Strength: Yield (Proof), MPa 230
510 to 740

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
420
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
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 56
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
79 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 140
700 to 1460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
26 to 32
Strength to Weight: Bending, points 20
23 to 27
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 13
21 to 27

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.3 to 0.37
Chromium (Cr), % 17 to 19
0.8 to 1.2
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
96.7 to 98.3
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
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 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0 to 0.1
0