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EN 1.4373 Stainless Steel vs. EN 1.6368 Steel

Both EN 1.4373 stainless steel and EN 1.6368 steel are iron alloys. They have 70% 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 1.4373 stainless steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
18
Fatigue Strength, MPa 340
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 530
410 to 430
Tensile Strength: Ultimate (UTS), MPa 750
660 to 690
Tensile Strength: Yield (Proof), MPa 370
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
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 13
3.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
22
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23 to 24
Strength to Weight: Bending, points 24
21 to 22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 16
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0 to 0.15
0 to 0.17
Chromium (Cr), % 17 to 19
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 63 to 71.5
95.1 to 97.2
Manganese (Mn), % 7.5 to 10.5
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 4.0 to 6.0
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