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S41425 Stainless Steel vs. AISI 316LN Stainless Steel

Both S41425 stainless steel and AISI 316LN stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 34 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 AISI 316LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
42
Fatigue Strength, MPa 450
200
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
51
Shear Modulus, GPa 77
82
Shear Strength, MPa 570
410
Tensile Strength: Ultimate (UTS), MPa 920
590
Tensile Strength: Yield (Proof), MPa 750
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 810
940
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.8
Embodied Energy, MJ/kg 40
53
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 21
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
200
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
21
Strength to Weight: Bending, points 27
20
Thermal Diffusivity, mm2/s 4.4
4.1
Thermal Shock Resistance, points 33
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 12 to 15
16 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 74 to 81.9
62 to 71.9
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
2.0 to 3.0
Nickel (Ni), % 4.0 to 7.0
10 to 14
Nitrogen (N), % 0.060 to 0.12
0.1 to 0.16
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.030