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EN 1.4507 Stainless Steel vs. EN 1.4372 Stainless Steel

Both EN 1.4507 stainless steel and EN 1.4372 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4507 stainless steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
47
Fatigue Strength, MPa 410
330
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 530
560
Tensile Strength: Ultimate (UTS), MPa 840
790
Tensile Strength: Yield (Proof), MPa 590
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 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
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 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.6
Embodied Energy, MJ/kg 55
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 41
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
310
Resilience: Unit (Modulus of Resilience), kJ/m3 850
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
29
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 23
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 24 to 26
16 to 18
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 56.4 to 65.8
67.5 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
3.5 to 5.5
Nitrogen (N), % 0.2 to 0.3
0.050 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015