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EN 1.4526 Stainless Steel vs. AISI 201 Stainless Steel

Both EN 1.4526 stainless steel and AISI 201 stainless steel are iron alloys. They have 89% 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 AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
4.6 to 51
Fatigue Strength, MPa 230
280 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
450 to 840
Tensile Strength: Ultimate (UTS), MPa 540
650 to 1450
Tensile Strength: Yield (Proof), MPa 330
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 880
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 41
38
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
23 to 52
Strength to Weight: Bending, points 19
22 to 37
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 19
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 77.4 to 83.1
67.5 to 75
Manganese (Mn), % 0 to 1.0
5.5 to 7.5
Molybdenum (Mo), % 0.8 to 1.4
0
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0 to 0.040
0 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030