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EN 1.4526 Stainless Steel vs. EN 1.4511 Stainless Steel

Both EN 1.4526 stainless steel and EN 1.4511 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4526 stainless steel and the bottom bar is EN 1.4511 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
25
Fatigue Strength, MPa 230
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
330
Tensile Strength: Ultimate (UTS), MPa 540
510
Tensile Strength: Yield (Proof), MPa 330
260

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 490
480
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.5
Embodied Energy, MJ/kg 41
37
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 21
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 8.1
6.7
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 77.4 to 83.1
78.9 to 84
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.4
0
Niobium (Nb), % 0.1 to 1.0
0 to 1.0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015