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AISI 347LN Stainless Steel vs. EN 1.4742 Stainless Steel

Both AISI 347LN stainless steel and EN 1.4742 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 33 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 AISI 347LN stainless steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
17
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 590
600
Tensile Strength: Yield (Proof), MPa 230
300

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 940
1000
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
19
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.5
2.2
Embodied Energy, MJ/kg 49
32
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
84
Resilience: Unit (Modulus of Resilience), kJ/m3 130
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.1
5.1
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.0050 to 0.020
0 to 0.12
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 64.3 to 73.7
77.2 to 81.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0.060 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015