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EN 1.4547 Stainless Steel vs. EN 1.4509 Stainless Steel

Both EN 1.4547 stainless steel and EN 1.4509 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4547 stainless steel and the bottom bar is EN 1.4509 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
21
Fatigue Strength, MPa 290
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 510
330
Tensile Strength: Ultimate (UTS), MPa 750
530
Tensile Strength: Yield (Proof), MPa 340
260

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
570
Maximum Temperature: Mechanical, °C 1090
890
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.8
Embodied Energy, MJ/kg 75
41
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 45
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
90
Resilience: Unit (Modulus of Resilience), kJ/m3 290
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 3.8
6.8
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
17.5 to 18.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51 to 56.3
77.8 to 82.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 18.5
0
Niobium (Nb), % 0
0.3 to 1.0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.1 to 0.6