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S41425 Stainless Steel vs. S44330 Stainless Steel

Both S41425 stainless steel and S44330 stainless steel are iron alloys. They have a moderately high 91% 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 S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
25
Fatigue Strength, MPa 450
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 570
280
Tensile Strength: Ultimate (UTS), MPa 920
440
Tensile Strength: Yield (Proof), MPa 750
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
560
Maximum Temperature: Mechanical, °C 810
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 40
40
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
91
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 27
17
Thermal Diffusivity, mm2/s 4.4
5.7
Thermal Shock Resistance, points 33
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 12 to 15
20 to 23
Copper (Cu), % 0 to 0.3
0.3 to 0.8
Iron (Fe), % 74 to 81.9
72.5 to 79.7
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 7.0
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.060 to 0.12
0 to 0.025
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0
0 to 0.8