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AISI 416 Stainless Steel vs. AISI 304N Stainless Steel

Both AISI 416 stainless steel and AISI 304N stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is AISI 416 stainless steel and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
190 to 360
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 31
9.1 to 45
Fatigue Strength, MPa 230 to 340
220 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 340 to 480
420 to 700
Tensile Strength: Ultimate (UTS), MPa 510 to 800
620 to 1180
Tensile Strength: Yield (Proof), MPa 290 to 600
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 680
960
Melting Completion (Liquidus), °C 1530
1420
Melting Onset (Solidus), °C 1480
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
43
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
180 to 1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 29
22 to 42
Strength to Weight: Bending, points 18 to 25
21 to 32
Thermal Diffusivity, mm2/s 8.1
4.2
Thermal Shock Resistance, points 19 to 30
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 12 to 14
18 to 20
Iron (Fe), % 83.2 to 87.9
66.4 to 73.9
Manganese (Mn), % 0 to 1.3
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0.15 to 0.35
0 to 0.030

Comparable Variants