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AISI 309 Stainless Steel vs. EN 1.4887 Stainless Steel

Both AISI 309 stainless steel and EN 1.4887 stainless steel are iron alloys. They have 76% 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 AISI 309 stainless steel and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 47
45
Fatigue Strength, MPa 250 to 280
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 420 to 470
400
Tensile Strength: Ultimate (UTS), MPa 600 to 710
580
Tensile Strength: Yield (Proof), MPa 260 to 350
300

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 440
600
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
6.7
Embodied Energy, MJ/kg 51
96
Embodied Water, L/kg 170
210

Common Calculations

PREN (Pitting Resistance) 23
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
20
Strength to Weight: Bending, points 20 to 23
19
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 14 to 16
14

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.15
Chromium (Cr), % 22 to 24
20 to 23
Iron (Fe), % 58 to 66
34.2 to 45
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 12 to 15
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015