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AISI 201 Stainless Steel vs. EN 1.4570 Stainless Steel

Both AISI 201 stainless steel and EN 1.4570 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is AISI 201 stainless steel and the bottom bar is EN 1.4570 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 440
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6 to 51
40
Fatigue Strength, MPa 280 to 600
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 450 to 840
410
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
610
Tensile Strength: Yield (Proof), MPa 300 to 1080
210

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
930
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
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
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 38
43
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 340
190
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
110
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
20
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
Copper (Cu), % 0
1.4 to 1.8
Iron (Fe), % 67.5 to 75
65 to 73.5
Manganese (Mn), % 5.5 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 3.5 to 5.5
8.0 to 10
Nitrogen (N), % 0 to 0.25
0 to 0.1
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
0.15 to 0.35