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AISI 317L Stainless Steel vs. EN 1.4821 Stainless Steel

Both AISI 317L stainless steel and EN 1.4821 stainless steel are iron alloys. They have 88% 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 AISI 317L stainless steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
18
Fatigue Strength, MPa 220
280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 82
79
Shear Strength, MPa 380
450
Tensile Strength: Ultimate (UTS), MPa 550
730
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 21
15
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.3
2.9
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 31
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 3.8
4.6
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 18 to 20
24.5 to 26.5
Iron (Fe), % 58 to 68
64.2 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015