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AISI 348H Stainless Steel vs. EN 1.7338 Steel

Both AISI 348H stainless steel and EN 1.7338 steel are iron alloys. They have 71% 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 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
23
Fatigue Strength, MPa 200
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
310
Tensile Strength: Ultimate (UTS), MPa 580
490
Tensile Strength: Yield (Proof), MPa 230
300

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
430
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
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 56
21
Embodied Water, L/kg 150
53

Common Calculations

PREN (Pitting Resistance) 18
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
97
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.040 to 0.1
0 to 0.15
Chromium (Cr), % 17 to 19
1.0 to 1.5
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63.8 to 73.6
95.4 to 97.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 9.0 to 13
0 to 0.3
Niobium (Nb), % 0.32 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tantalum (Ta), % 0 to 0.1
0