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S66286 Stainless Steel vs. EN 1.7706 Steel

Both S66286 stainless steel and EN 1.7706 steel are iron alloys. They have 58% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S66286 stainless steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 40
17
Fatigue Strength, MPa 240 to 410
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
690
Tensile Strength: Yield (Proof), MPa 280 to 670
500

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 920
440
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 26
3.7
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
2.3
Embodied Energy, MJ/kg 87
32
Embodied Water, L/kg 170
57

Common Calculations

PREN (Pitting Resistance) 19
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 36
24
Strength to Weight: Bending, points 20 to 28
22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 22
20

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 13.5 to 16
1.2 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 49.1 to 59.5
94.7 to 97.1
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 1.0 to 1.5
0.9 to 1.1
Nickel (Ni), % 24 to 27
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0.2 to 0.3