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EN 1.4487 Stainless Steel vs. EN 1.4526 Stainless Steel

Both EN 1.4487 stainless steel and EN 1.4526 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 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 1.4487 stainless steel and the bottom bar is EN 1.4526 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
25
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 560
540
Tensile Strength: Yield (Proof), MPa 260
330

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 960
880
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 44
41
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 22
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 4.2
8.1
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 64.7 to 72.9
77.4 to 83.1
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.4
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0.12 to 0.2
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015