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AISI 201 Stainless Steel vs. EN 1.4550 Stainless Steel

Both AISI 201 stainless steel and EN 1.4550 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 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 AISI 201 stainless steel and the bottom bar is EN 1.4550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 440
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6 to 51
42
Fatigue Strength, MPa 280 to 600
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 450 to 840
430
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
620
Tensile Strength: Yield (Proof), MPa 300 to 1080
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
480
Maximum Temperature: Mechanical, °C 880
940
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 38
51
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 340
210
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 52
22
Strength to Weight: Bending, points 22 to 37
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 14 to 32
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 67.5 to 75
64.9 to 74
Manganese (Mn), % 5.5 to 7.5
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015