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S41425 Stainless Steel vs. S44635 Stainless Steel

Both S41425 stainless steel and S44635 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S41425 stainless steel and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
23
Fatigue Strength, MPa 450
390
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 570
450
Tensile Strength: Ultimate (UTS), MPa 920
710
Tensile Strength: Yield (Proof), MPa 750
580

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
610
Maximum Temperature: Mechanical, °C 810
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.4
Embodied Energy, MJ/kg 40
62
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 21
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
810
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 27
23
Thermal Diffusivity, mm2/s 4.4
4.4
Thermal Shock Resistance, points 33
23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 12 to 15
24.5 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 74 to 81.9
61.5 to 68.5
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
3.5 to 4.5
Nickel (Ni), % 4.0 to 7.0
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0.060 to 0.12
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8