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EN 1.4857 Stainless Steel vs. S40975 Stainless Steel

Both EN 1.4857 stainless steel and S40975 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 32 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 1.4857 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
22
Fatigue Strength, MPa 120
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 500
460
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
2.0
Embodied Energy, MJ/kg 81
28
Embodied Water, L/kg 220
95

Common Calculations

PREN (Pitting Resistance) 26
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
93
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.4
7.0
Thermal Shock Resistance, points 11
17

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 24 to 27
10.5 to 11.7
Iron (Fe), % 31.4 to 41.7
84.4 to 89
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 36
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.75