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AISI 301 Stainless Steel vs. S40977 Stainless Steel

Both AISI 301 stainless steel and S40977 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 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 301 stainless steel and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.4 to 46
21
Fatigue Strength, MPa 210 to 600
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 410 to 860
320
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
510
Tensile Strength: Yield (Proof), MPa 230 to 1080
310

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 840
720
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 39
27
Embodied Water, L/kg 130
97

Common Calculations

PREN (Pitting Resistance) 18
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
92
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 52
18
Strength to Weight: Bending, points 20 to 37
18
Thermal Diffusivity, mm2/s 4.2
6.7
Thermal Shock Resistance, points 12 to 31
18

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
10.5 to 12.5
Iron (Fe), % 70.7 to 78
83.9 to 89.2
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 6.0 to 8.0
0.3 to 1.0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015