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EN 1.6368 Steel vs. EN 1.4901 Stainless Steel

Both EN 1.6368 steel and EN 1.4901 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
19
Fatigue Strength, MPa 310 to 330
310
Impact Strength: V-Notched Charpy, J 43 to 46
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 410 to 430
460
Tensile Strength: Ultimate (UTS), MPa 660 to 690
740
Tensile Strength: Yield (Proof), MPa 460 to 490
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
650
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
26
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 22
40
Embodied Water, L/kg 53
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
620
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 24
26
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 20
23

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.17
0.070 to 0.13
Chromium (Cr), % 0 to 0.3
8.5 to 9.5
Copper (Cu), % 0.5 to 0.8
0
Iron (Fe), % 95.1 to 97.2
85.8 to 89.1
Manganese (Mn), % 0.8 to 1.2
0.3 to 0.6
Molybdenum (Mo), % 0.25 to 0.5
0.3 to 0.6
Nickel (Ni), % 1.0 to 1.3
0 to 0.4
Niobium (Nb), % 0.015 to 0.045
0.040 to 0.090
Nitrogen (N), % 0 to 0.020
0.030 to 0.070
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.25 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010