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EN 1.7366 Steel vs. EN 1.4911 Stainless Steel

Both EN 1.7366 steel and EN 1.4911 stainless steel are iron alloys. They have 86% 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 1.7366 steel and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
11
Fatigue Strength, MPa 160 to 320
530
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 290 to 440
640
Tensile Strength: Ultimate (UTS), MPa 460 to 710
1070
Tensile Strength: Yield (Proof), MPa 230 to 480
970

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 510
700
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
20
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.4
Embodied Energy, MJ/kg 23
49
Embodied Water, L/kg 69
130

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
2410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
38
Strength to Weight: Bending, points 17 to 23
30
Thermal Diffusivity, mm2/s 11
5.4
Thermal Shock Resistance, points 13 to 20
37

Alloy Composition

Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0 to 0.18
0.050 to 0.12
Chromium (Cr), % 4.0 to 6.0
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Iron (Fe), % 91.9 to 95.3
75.7 to 83.8
Manganese (Mn), % 0.3 to 0.8
0.3 to 1.3
Molybdenum (Mo), % 0.45 to 0.65
0.5 to 1.0
Nickel (Ni), % 0
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.1 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4