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EN 1.4525 Stainless Steel vs. EN 1.5522 Steel

Both EN 1.4525 stainless steel and EN 1.5522 steel are iron alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is EN 1.5522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
11 to 21
Fatigue Strength, MPa 480 to 540
210 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
450 to 1490
Tensile Strength: Yield (Proof), MPa 840 to 1120
300 to 520

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
45 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
250 to 720
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
16 to 53
Strength to Weight: Bending, points 29 to 33
17 to 37
Thermal Diffusivity, mm2/s 4.7
14
Thermal Shock Resistance, points 34 to 41
13 to 44

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.070
0.2 to 0.24
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 2.5 to 4.0
0 to 0.25
Iron (Fe), % 70.4 to 79
98 to 98.9
Manganese (Mn), % 0 to 1.0
0.9 to 1.2
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants