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EN 1.4513 Stainless Steel vs. AISI 409 Stainless Steel

Both EN 1.4513 stainless steel and AISI 409 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4513 stainless steel and the bottom bar is AISI 409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 26
24
Fatigue Strength, MPa 170
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 310
270
Tensile Strength: Ultimate (UTS), MPa 480
420
Tensile Strength: Yield (Proof), MPa 240
200

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 880
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
6.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.0
Embodied Energy, MJ/kg 35
28
Embodied Water, L/kg 120
94

Common Calculations

PREN (Pitting Resistance) 21
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
83
Resilience: Unit (Modulus of Resilience), kJ/m3 150
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 6.8
6.7
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.080
Chromium (Cr), % 16 to 18
10.5 to 11.7
Iron (Fe), % 77.7 to 83.1
84.9 to 89.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.4
0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0 to 0.75