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S44725 Stainless Steel vs. SAE-AISI 6150 Steel

Both S44725 stainless steel and SAE-AISI 6150 steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S44725 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, % 22
15 to 23
Fatigue Strength, MPa 210
300 to 750
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 320
400 to 730
Tensile Strength: Ultimate (UTS), MPa 500
630 to 1200
Tensile Strength: Yield (Proof), MPa 310
420 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 11
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 170
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
460 to 3590
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22 to 43
Strength to Weight: Bending, points 18
21 to 32
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 16
20 to 38

Alloy Composition

Carbon (C), % 0 to 0.015
0.48 to 0.53
Chromium (Cr), % 25 to 28.5
0.8 to 1.1
Iron (Fe), % 67.6 to 73.5
96.7 to 97.7
Manganese (Mn), % 0 to 0.4
0.7 to 0.9
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.040
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.26
0
Vanadium (V), % 0
0.15 to 0.3