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AISI 348H Stainless Steel vs. SAE-AISI 6150 Steel

Both AISI 348H stainless steel and SAE-AISI 6150 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 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 SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
15 to 23
Fatigue Strength, MPa 200
300 to 750
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
400 to 730
Tensile Strength: Ultimate (UTS), MPa 580
630 to 1200
Tensile Strength: Yield (Proof), MPa 230
420 to 1160

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
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 16
12 to 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
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.0
Embodied Energy, MJ/kg 56
28
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460 to 3590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
22 to 43
Strength to Weight: Bending, points 20
21 to 32
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 13
20 to 38

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.48 to 0.53
Chromium (Cr), % 17 to 19
0.8 to 1.1
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
96.7 to 97.7
Manganese (Mn), % 0 to 2.0
0.7 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 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tantalum (Ta), % 0 to 0.1
0
Vanadium (V), % 0
0.15 to 0.3