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S40977 Stainless Steel vs. AISI 316 Stainless Steel

Both S40977 stainless steel and AISI 316 stainless steel are iron alloys. They have 80% 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 S40977 stainless steel and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
8.0 to 55
Fatigue Strength, MPa 200
210 to 430
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 76
80
Shear Modulus, GPa 76
78
Shear Strength, MPa 320
350 to 690
Tensile Strength: Ultimate (UTS), MPa 510
520 to 1180
Tensile Strength: Yield (Proof), MPa 310
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 720
590
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
3.9
Embodied Energy, MJ/kg 27
53
Embodied Water, L/kg 97
150

Common Calculations

PREN (Pitting Resistance) 12
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
18 to 41
Strength to Weight: Bending, points 18
18 to 31
Thermal Diffusivity, mm2/s 6.7
4.1
Thermal Shock Resistance, points 18
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 10.5 to 12.5
16 to 18
Iron (Fe), % 83.9 to 89.2
62 to 72
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.3 to 1.0
10 to 14
Nitrogen (N), % 0 to 0.030
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030