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EN 1.4372 Stainless Steel vs. EN 1.6368 Steel

Both EN 1.4372 stainless steel and EN 1.6368 steel are iron alloys. They have 74% 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 1.4372 stainless steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 47
18
Fatigue Strength, MPa 330
310 to 330
Impact Strength: V-Notched Charpy, J 90
43 to 46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 560
410 to 430
Tensile Strength: Ultimate (UTS), MPa 790
660 to 690
Tensile Strength: Yield (Proof), MPa 350
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 38
22
Embodied Water, L/kg 140
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
110
Resilience: Unit (Modulus of Resilience), kJ/m3 320
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
23 to 24
Strength to Weight: Bending, points 25
21 to 22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0 to 0.15
0 to 0.17
Chromium (Cr), % 16 to 18
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 67.5 to 75
95.1 to 97.2
Manganese (Mn), % 5.5 to 7.5
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 3.5 to 5.5
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0.050 to 0.25
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010