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EN 1.4305 Stainless Steel vs. AISI 201 Stainless Steel

Both EN 1.4305 stainless steel and AISI 201 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
200 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
4.6 to 51
Fatigue Strength, MPa 190 to 330
280 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 550
450 to 840
Tensile Strength: Ultimate (UTS), MPa 610 to 900
650 to 1450
Tensile Strength: Yield (Proof), MPa 220 to 570
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 930
880
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 42
38
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
230 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
23 to 52
Strength to Weight: Bending, points 20 to 27
22 to 37
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 14 to 20
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 17 to 19
16 to 18
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.4 to 74.9
67.5 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Nickel (Ni), % 8.0 to 10
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030

Comparable Variants