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EN 1.4805 Stainless Steel vs. AISI 317 Stainless Steel

Both EN 1.4805 stainless steel and AISI 317 stainless steel are iron alloys. They have 85% 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 EN 1.4805 stainless steel and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
35 to 55
Fatigue Strength, MPa 130
250 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 490
580 to 710
Tensile Strength: Yield (Proof), MPa 250
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1000
590
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
21
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.7
4.3
Embodied Energy, MJ/kg 66
59
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 22
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
150 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
20 to 25
Strength to Weight: Bending, points 18
20 to 22
Thermal Diffusivity, mm2/s 3.7
4.1
Thermal Shock Resistance, points 11
12 to 15

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.080
Chromium (Cr), % 19 to 23
18 to 20
Iron (Fe), % 44.9 to 56.8
58 to 68
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 23 to 27
11 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030