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AISI 348H Stainless Steel vs. EN 1.6773 Steel

Both AISI 348H stainless steel and EN 1.6773 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, 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 1.6773 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11
Fatigue Strength, MPa 200
560
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
670
Tensile Strength: Ultimate (UTS), MPa 580
1120
Tensile Strength: Yield (Proof), MPa 230
910

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
450
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
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 56
26
Embodied Water, L/kg 150
61

Common Calculations

PREN (Pitting Resistance) 18
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 13
33

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.32 to 0.39
Chromium (Cr), % 17 to 19
1.6 to 2.0
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
92 to 93.9
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 9.0 to 13
3.6 to 4.1
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tantalum (Ta), % 0 to 0.1
0