MakeItFrom.com
Menu (ESC)

AISI 440A Stainless Steel vs. AISI 416 Stainless Steel

Both AISI 440A stainless steel and AISI 416 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 31 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 AISI 440A stainless steel and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.0 to 20
13 to 31
Fatigue Strength, MPa 270 to 790
230 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 450 to 1040
340 to 480
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
510 to 800
Tensile Strength: Yield (Proof), MPa 420 to 1650
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 400
390
Maximum Temperature: Mechanical, °C 760
680
Melting Completion (Liquidus), °C 1480
1530
Melting Onset (Solidus), °C 1370
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
30
Thermal Expansion, µm/m-K 10
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.9
Embodied Energy, MJ/kg 31
27
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
98 to 140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 65
18 to 29
Strength to Weight: Bending, points 23 to 43
18 to 25
Thermal Diffusivity, mm2/s 6.2
8.1
Thermal Shock Resistance, points 26 to 65
19 to 30

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.15
Chromium (Cr), % 16 to 18
12 to 14
Iron (Fe), % 78.4 to 83.4
83.2 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.3
Molybdenum (Mo), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35

Comparable Variants