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EN 1.4588 Stainless Steel vs. AISI 317 Stainless Steel

Both EN 1.4588 stainless steel and AISI 317 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 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 EN 1.4588 stainless steel and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
35 to 55
Fatigue Strength, MPa 190
250 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 540
580 to 710
Tensile Strength: Yield (Proof), MPa 240
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1100
590
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
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 33
21
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
4.3
Embodied Energy, MJ/kg 84
59
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 44
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
20 to 25
Strength to Weight: Bending, points 18
20 to 22
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 11
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 19 to 21
18 to 20
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
58 to 68
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
3.0 to 4.0
Nickel (Ni), % 24 to 26
11 to 15
Nitrogen (N), % 0.1 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030