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S17700 Stainless Steel vs. EN 1.6511 Steel

Both S17700 stainless steel and EN 1.6511 steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 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 S17700 stainless steel and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 1.0 to 23
12
Fatigue Strength, MPa 290 to 560
480
Poisson's Ratio 0.28
0.29
Rockwell C Hardness 41 to 46
55
Shear Modulus, GPa 76
73
Shear Strength, MPa 740 to 940
600
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
990
Tensile Strength: Yield (Proof), MPa 430 to 1210
770

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 890
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 40
21
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42 to 59
35
Strength to Weight: Bending, points 32 to 40
28
Thermal Diffusivity, mm2/s 4.1
9.9
Thermal Shock Resistance, points 39 to 54
29

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0.32 to 0.4
Chromium (Cr), % 16 to 18
0.9 to 1.2
Iron (Fe), % 70.5 to 76.8
95.6 to 97.2
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 6.5 to 7.8
0.9 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035