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EN 1.7386 Steel vs. EN 1.4669 Stainless Steel

Both EN 1.7386 steel and EN 1.4669 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7386 steel and the bottom bar is EN 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
28
Fatigue Strength, MPa 170 to 290
330
Impact Strength: V-Notched Charpy, J 38
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
78
Shear Strength, MPa 340 to 410
500
Tensile Strength: Ultimate (UTS), MPa 550 to 670
780
Tensile Strength: Yield (Proof), MPa 240 to 440
450

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
1030
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 28
38
Embodied Water, L/kg 88
160

Common Calculations

PREN (Pitting Resistance) 12
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 24
28
Strength to Weight: Bending, points 19 to 22
24
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 15 to 18
21

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.045
Chromium (Cr), % 8.0 to 10
21.5 to 24
Copper (Cu), % 0 to 0.3
1.6 to 3.0
Iron (Fe), % 86.8 to 90.5
65.2 to 74.8
Manganese (Mn), % 0.3 to 0.6
1.0 to 3.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.0
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030