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EN 1.4864 Stainless Steel vs. AISI 317 Stainless Steel

Both EN 1.4864 stainless steel and AISI 317 stainless steel are iron alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4864 stainless steel and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 33
35 to 55
Fatigue Strength, MPa 200
250 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
79
Shear Strength, MPa 430
420 to 470
Tensile Strength: Ultimate (UTS), MPa 650
580 to 710
Tensile Strength: Yield (Proof), MPa 260
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 1100
590
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
21
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
4.3
Embodied Energy, MJ/kg 75
59
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 17
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 170
150 to 430
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
20 to 25
Strength to Weight: Bending, points 21
20 to 22
Thermal Diffusivity, mm2/s 3.3
4.1
Thermal Shock Resistance, points 17
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 15 to 17
18 to 20
Iron (Fe), % 41.7 to 51
58 to 68
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 33 to 37
11 to 15
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030