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EN 1.4417 Stainless Steel vs. EN 1.4372 Stainless Steel

Both EN 1.4417 stainless steel and EN 1.4372 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 85% 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 1.4417 stainless steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
47
Fatigue Strength, MPa 380
330
Impact Strength: V-Notched Charpy, J 56
90
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 730
790
Tensile Strength: Yield (Proof), MPa 550
350

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 21
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.6
Embodied Energy, MJ/kg 57
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 41
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
310
Resilience: Unit (Modulus of Resilience), kJ/m3 730
320
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 24 to 26
16 to 18
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 56.7 to 66.9
67.5 to 75
Manganese (Mn), % 0 to 1.5
5.5 to 7.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.5
3.5 to 5.5
Nitrogen (N), % 0.15 to 0.25
0.050 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0 to 1.0
0