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S46500 Stainless Steel vs. EN 1.7779 Steel

Both S46500 stainless steel and EN 1.7779 steel are iron alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S46500 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.3 to 14
16
Fatigue Strength, MPa 550 to 890
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 730 to 1120
500
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
810
Tensile Strength: Yield (Proof), MPa 1120 to 1810
660

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 780
470
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 51
41
Embodied Water, L/kg 120
64

Common Calculations

PREN (Pitting Resistance) 15
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 44 to 68
29
Strength to Weight: Bending, points 33 to 44
25
Thermal Shock Resistance, points 44 to 67
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.020
0.17 to 0.23
Chromium (Cr), % 11 to 12.5
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 72.6 to 76.1
93.8 to 95.4
Manganese (Mn), % 0 to 0.25
0.3 to 0.5
Molybdenum (Mo), % 0.75 to 1.3
0.5 to 0.6
Nickel (Ni), % 10.7 to 11.3
0 to 0.3
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.25
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.5 to 1.8
0
Vanadium (V), % 0
0.45 to 0.55