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EN 1.4859 Stainless Steel vs. AISI 347 Stainless Steel

Both EN 1.4859 stainless steel and AISI 347 stainless steel are iron alloys. They have 76% 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 1.4859 stainless steel and the bottom bar is AISI 347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
34 to 46
Fatigue Strength, MPa 140
220 to 270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 490
610 to 690
Tensile Strength: Yield (Proof), MPa 210
240 to 350

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
480
Maximum Temperature: Mechanical, °C 1050
870
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
3.6
Embodied Energy, MJ/kg 88
52
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 21
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
190 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 110
150 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
22 to 25
Strength to Weight: Bending, points 17
20 to 22
Thermal Diffusivity, mm2/s 3.4
4.3
Thermal Shock Resistance, points 11
13 to 15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 19 to 21
17 to 19
Iron (Fe), % 40.3 to 49
64.1 to 74
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 31 to 33
9.0 to 13
Niobium (Nb), % 0.5 to 1.5
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.5 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030