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EN 1.4658 Stainless Steel vs. AISI 201 Stainless Steel

Both EN 1.4658 stainless steel and AISI 201 stainless steel are iron alloys. They have 80% 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 1.4658 stainless steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200 to 440
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
4.6 to 51
Fatigue Strength, MPa 530
280 to 600
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 580
450 to 840
Tensile Strength: Ultimate (UTS), MPa 900
650 to 1450
Tensile Strength: Yield (Proof), MPa 730
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.5
2.6
Embodied Energy, MJ/kg 61
38
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 49
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
230 to 2970
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
23 to 52
Strength to Weight: Bending, points 26
22 to 37
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 24
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 26 to 29
16 to 18
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
67.5 to 75
Manganese (Mn), % 0 to 1.5
5.5 to 7.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
3.5 to 5.5
Nitrogen (N), % 0.3 to 0.5
0 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030