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EN 1.4477 Stainless Steel vs. S40975 Stainless Steel

Both EN 1.4477 stainless steel and S40975 stainless steel are iron alloys. They have 73% 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 EN 1.4477 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
22
Fatigue Strength, MPa 420 to 490
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Shear Strength, MPa 550 to 580
290
Tensile Strength: Ultimate (UTS), MPa 880 to 930
460
Tensile Strength: Yield (Proof), MPa 620 to 730
310

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.0
Embodied Energy, MJ/kg 52
28
Embodied Water, L/kg 190
95

Common Calculations

PREN (Pitting Resistance) 41
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
93
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
17
Strength to Weight: Bending, points 26 to 27
17
Thermal Diffusivity, mm2/s 3.5
7.0
Thermal Shock Resistance, points 23 to 25
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 28 to 30
10.5 to 11.7
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
84.4 to 89
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0.5 to 1.0
Nitrogen (N), % 0.3 to 0.4
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.75