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EN 1.4807 Stainless Steel vs. AISI 347 Stainless Steel

Both EN 1.4807 stainless steel and AISI 347 stainless steel are iron alloys. They have 73% 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 1.4807 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 190
200
Elongation at Break, % 4.5
34 to 46
Fatigue Strength, MPa 120
220 to 270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 480
610 to 690
Tensile Strength: Yield (Proof), MPa 250
240 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 600
480
Maximum Temperature: Mechanical, °C 1000
870
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
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 39
19
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.8
3.6
Embodied Energy, MJ/kg 97
52
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
190 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 160
150 to 310
Stiffness to Weight: Axial, points 13
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 3.2
4.3
Thermal Shock Resistance, points 12
13 to 15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 17 to 20
17 to 19
Iron (Fe), % 36.6 to 46.7
64.1 to 74
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
9.0 to 13
Niobium (Nb), % 1.0 to 1.8
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.0 to 2.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030