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EN 1.4606 Stainless Steel vs. EN 1.7386 Steel

Both EN 1.4606 stainless steel and EN 1.7386 steel are iron alloys. They have 65% 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 1.4606 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 39
18 to 21
Fatigue Strength, MPa 240 to 420
170 to 290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Shear Strength, MPa 410 to 640
340 to 410
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
550 to 670
Tensile Strength: Yield (Proof), MPa 280 to 630
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 910
600
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
2.0
Embodied Energy, MJ/kg 87
28
Embodied Water, L/kg 170
88

Common Calculations

PREN (Pitting Resistance) 19
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 36
20 to 24
Strength to Weight: Bending, points 20 to 28
19 to 22
Thermal Diffusivity, mm2/s 3.7
6.9
Thermal Shock Resistance, points 21 to 35
15 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.040
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.080 to 0.15
Chromium (Cr), % 13 to 16
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 49.2 to 59
86.8 to 90.5
Manganese (Mn), % 1.0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 1.0 to 1.5
0.9 to 1.1
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0