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AISI 416 Stainless Steel vs. S40977 Stainless Steel

Both AISI 416 stainless steel and S40977 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 416 stainless steel and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 31
21
Fatigue Strength, MPa 230 to 340
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 340 to 480
320
Tensile Strength: Ultimate (UTS), MPa 510 to 800
510
Tensile Strength: Yield (Proof), MPa 290 to 600
310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 680
720
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 9.9
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.9
Embodied Energy, MJ/kg 27
27
Embodied Water, L/kg 100
97

Common Calculations

PREN (Pitting Resistance) 13
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
92
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 29
18
Strength to Weight: Bending, points 18 to 25
18
Thermal Diffusivity, mm2/s 8.1
6.7
Thermal Shock Resistance, points 19 to 30
18

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 12 to 14
10.5 to 12.5
Iron (Fe), % 83.2 to 87.9
83.9 to 89.2
Manganese (Mn), % 0 to 1.3
0 to 1.5
Nickel (Ni), % 0
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015