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AISI 321 Stainless Steel vs. EN 1.4805 Stainless Steel

Both AISI 321 stainless steel and EN 1.4805 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 321 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 50
9.0
Fatigue Strength, MPa 220 to 270
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 590 to 690
490
Tensile Strength: Yield (Proof), MPa 220 to 350
250

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 480
420
Maximum Temperature: Mechanical, °C 870
1000
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 16
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.7
Embodied Energy, MJ/kg 45
66
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 230
37
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 310
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
17
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 13 to 15
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.5
Chromium (Cr), % 17 to 19
19 to 23
Iron (Fe), % 65.3 to 74
44.9 to 56.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 12
23 to 27
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.7
0