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EN 1.4361 Stainless Steel vs. EN 1.4372 Stainless Steel

Both EN 1.4361 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.

For each property being compared, the top bar is EN 1.4361 stainless steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 43
47
Fatigue Strength, MPa 220
330
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 440
560
Tensile Strength: Ultimate (UTS), MPa 630
790
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 940
880
Melting Completion (Liquidus), °C 1370
1410
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 52
38
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
310
Resilience: Unit (Modulus of Resilience), kJ/m3 160
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.15
Chromium (Cr), % 16.5 to 18.5
16 to 18
Iron (Fe), % 58.7 to 65.8
67.5 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 16
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0.050 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 3.7 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015