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EN 1.4872 Stainless Steel vs. AISI 309S Stainless Steel

Both EN 1.4872 stainless steel and AISI 309S stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 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 EN 1.4872 stainless steel and the bottom bar is AISI 309S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
42
Fatigue Strength, MPa 410
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
78
Shear Strength, MPa 620
400
Tensile Strength: Ultimate (UTS), MPa 950
580
Tensile Strength: Yield (Proof), MPa 560
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1150
1080
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 30
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 780
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
21
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.080
Chromium (Cr), % 24 to 26
22 to 24
Iron (Fe), % 54.2 to 61.6
58.1 to 66
Manganese (Mn), % 8.0 to 10
0 to 2.0
Nickel (Ni), % 6.0 to 8.0
12 to 15
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030