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EN 1.5525 Steel vs. AISI 347LN Stainless Steel

Both EN 1.5525 steel and AISI 347LN stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.5525 steel and the bottom bar is AISI 347LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
40
Fatigue Strength, MPa 210 to 310
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 62 to 73
56
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 350
400
Tensile Strength: Ultimate (UTS), MPa 440 to 1440
590
Tensile Strength: Yield (Proof), MPa 300 to 490
230

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.5
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 240
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 640
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 51
21
Strength to Weight: Bending, points 16 to 36
20
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 13 to 42
13

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.18 to 0.23
0.0050 to 0.020
Chromium (Cr), % 0 to 0.3
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.7 to 98.9
64.3 to 73.7
Manganese (Mn), % 0.9 to 1.2
0 to 2.0
Nickel (Ni), % 0
9.0 to 13
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0.060 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030