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AISI 317 Stainless Steel vs. EN 1.4520 Stainless Steel

Both AISI 317 stainless steel and EN 1.4520 stainless steel are iron alloys. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
26
Fatigue Strength, MPa 250 to 330
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
310
Tensile Strength: Ultimate (UTS), MPa 580 to 710
480
Tensile Strength: Yield (Proof), MPa 250 to 420
220

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 590
870
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.2
Embodied Energy, MJ/kg 59
32
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 31
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
17
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 4.1
5.4
Thermal Shock Resistance, points 12 to 15
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.025
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 58 to 68
80.1 to 83.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
0
Nitrogen (N), % 0 to 0.1
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8