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EN 1.4372 Stainless Steel vs. S40975 Stainless Steel

Both EN 1.4372 stainless steel and S40975 stainless steel are iron alloys. They have 84% 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 1.4372 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 47
22
Fatigue Strength, MPa 330
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 560
290
Tensile Strength: Ultimate (UTS), MPa 790
460
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
710
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 38
28
Embodied Water, L/kg 140
95

Common Calculations

PREN (Pitting Resistance) 19
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
93
Resilience: Unit (Modulus of Resilience), kJ/m3 320
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 4.0
7.0
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
10.5 to 11.7
Iron (Fe), % 67.5 to 75
84.4 to 89
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Nickel (Ni), % 3.5 to 5.5
0.5 to 1.0
Nitrogen (N), % 0.050 to 0.25
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 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.75