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EN 1.4371 Stainless Steel vs. EN 1.4372 Stainless Steel

Both EN 1.4371 stainless steel and EN 1.4372 stainless steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4371 stainless steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45 to 51
47
Fatigue Strength, MPa 290 to 340
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 520 to 540
560
Tensile Strength: Ultimate (UTS), MPa 740 to 750
790
Tensile Strength: Yield (Proof), MPa 320 to 340
350

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
310
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16 to 17.5
16 to 18
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
67.5 to 75
Manganese (Mn), % 6.0 to 8.0
5.5 to 7.5
Nickel (Ni), % 3.5 to 5.5
3.5 to 5.5
Nitrogen (N), % 0.15 to 0.25
0.050 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015