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EN 1.4959 Stainless Steel vs. AISI 201 Stainless Steel

Both EN 1.4959 stainless steel and AISI 201 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4959 stainless steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
4.6 to 51
Fatigue Strength, MPa 170
280 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
450 to 840
Tensile Strength: Ultimate (UTS), MPa 630
650 to 1450
Tensile Strength: Yield (Proof), MPa 190
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1090
880
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.6
Embodied Energy, MJ/kg 76
38
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 96
230 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
23 to 52
Strength to Weight: Bending, points 20
22 to 37
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 15
14 to 32

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.15
Chromium (Cr), % 19 to 22
16 to 18
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.4 to 50.5
67.5 to 75
Manganese (Mn), % 0 to 1.5
5.5 to 7.5
Nickel (Ni), % 30 to 34
3.5 to 5.5
Nitrogen (N), % 0 to 0.030
0 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.060
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.25 to 0.65
0