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S40977 Stainless Steel vs. SAE-AISI 1527 Steel

Both S40977 stainless steel and SAE-AISI 1527 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
13 to 21
Fatigue Strength, MPa 200
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 320
370 to 390
Tensile Strength: Ultimate (UTS), MPa 510
590 to 640
Tensile Strength: Yield (Proof), MPa 310
320 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 97
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
21 to 23
Strength to Weight: Bending, points 18
20 to 21
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 18
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.29
Chromium (Cr), % 10.5 to 12.5
0
Iron (Fe), % 83.9 to 89.2
98.1 to 98.6
Manganese (Mn), % 0 to 1.5
1.2 to 1.5
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050