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AISI 416 Stainless Steel vs. EN 1.8509 Steel

Both AISI 416 stainless steel and EN 1.8509 steel are iron alloys. They have 88% 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 AISI 416 stainless steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 31
11
Fatigue Strength, MPa 230 to 340
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 340 to 480
680
Tensile Strength: Ultimate (UTS), MPa 510 to 800
1130
Tensile Strength: Yield (Proof), MPa 290 to 600
940

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 680
440
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1480
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 100
65

Common Calculations

PREN (Pitting Resistance) 13
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 29
40
Strength to Weight: Bending, points 18 to 25
31
Thermal Diffusivity, mm2/s 8.1
10
Thermal Shock Resistance, points 19 to 30
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.15
0.38 to 0.45
Chromium (Cr), % 12 to 14
1.5 to 1.8
Iron (Fe), % 83.2 to 87.9
95.5 to 97.1
Manganese (Mn), % 0 to 1.3
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.035