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S40977 Stainless Steel vs. EN 1.4501 Stainless Steel

Both S40977 stainless steel and EN 1.4501 stainless steel are iron alloys. They have 75% 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 S40977 stainless steel and the bottom bar is EN 1.4501 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
27
Fatigue Strength, MPa 200
430
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Shear Strength, MPa 320
540
Tensile Strength: Ultimate (UTS), MPa 510
830
Tensile Strength: Yield (Proof), MPa 310
600

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 720
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
4.1
Embodied Energy, MJ/kg 27
57
Embodied Water, L/kg 97
180

Common Calculations

PREN (Pitting Resistance) 12
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
210
Resilience: Unit (Modulus of Resilience), kJ/m3 250
870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 10.5 to 12.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 83.9 to 89.2
57.6 to 65.8
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0.3 to 1.0
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
0.5 to 1.0