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EN 1.7366 Steel vs. EN 1.4901 Stainless Steel

Both EN 1.7366 steel and EN 1.4901 stainless steel are iron alloys. They have a moderately high 94% 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 1.7366 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, % 17 to 19
19
Fatigue Strength, MPa 160 to 320
310
Impact Strength: V-Notched Charpy, J 38
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 290 to 440
460
Tensile Strength: Ultimate (UTS), MPa 460 to 710
740
Tensile Strength: Yield (Proof), MPa 230 to 480
490

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 510
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 8.1
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
40
Embodied Water, L/kg 69
89

Common Calculations

PREN (Pitting Resistance) 6.8
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
26
Strength to Weight: Bending, points 17 to 23
23
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 13 to 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.18
0.070 to 0.13
Chromium (Cr), % 4.0 to 6.0
8.5 to 9.5
Iron (Fe), % 91.9 to 95.3
85.8 to 89.1
Manganese (Mn), % 0.3 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.65
0.3 to 0.6
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
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