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EN 1.7386 Steel vs. EN 1.4557 Stainless Steel

Both EN 1.7386 steel and EN 1.4557 stainless steel are iron alloys. They have 64% 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 1.7386 steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
40
Fatigue Strength, MPa 170 to 290
260
Impact Strength: V-Notched Charpy, J 38
56
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 550 to 670
560
Tensile Strength: Yield (Proof), MPa 240 to 440
300

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.0
5.6
Embodied Energy, MJ/kg 28
76
Embodied Water, L/kg 88
190

Common Calculations

PREN (Pitting Resistance) 12
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 24
19
Strength to Weight: Bending, points 19 to 22
19
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 15 to 18
12

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.020
Chromium (Cr), % 8.0 to 10
19.5 to 20.5
Copper (Cu), % 0 to 0.3
0.5 to 1.0
Iron (Fe), % 86.8 to 90.5
49.5 to 56.3
Manganese (Mn), % 0.3 to 0.6
0 to 1.2
Molybdenum (Mo), % 0.9 to 1.1
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.25 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010