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S41041 Stainless Steel vs. S44725 Stainless Steel

Both S41041 stainless steel and S44725 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 33 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 S41041 stainless steel and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
22
Fatigue Strength, MPa 350
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 560
320
Tensile Strength: Ultimate (UTS), MPa 910
500
Tensile Strength: Yield (Proof), MPa 580
310

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 430
500
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 29
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.1
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
99
Resilience: Unit (Modulus of Resilience), kJ/m3 860
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 27
18
Thermal Diffusivity, mm2/s 7.8
4.6
Thermal Shock Resistance, points 33
16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0 to 0.015
Chromium (Cr), % 11.5 to 13
25 to 28.5
Iron (Fe), % 84.5 to 87.8
67.6 to 73.5
Manganese (Mn), % 0.4 to 0.6
0 to 0.4
Molybdenum (Mo), % 0 to 0.2
1.5 to 2.5
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0.15 to 0.45
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.040
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.26