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EN 1.4571 Stainless Steel vs. AISI 202 Stainless Steel

Both EN 1.4571 stainless steel and AISI 202 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
14 to 45
Fatigue Strength, MPa 200 to 330
290 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 410 to 550
490 to 590
Tensile Strength: Ultimate (UTS), MPa 600 to 900
700 to 980
Tensile Strength: Yield (Proof), MPa 230 to 570
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
410
Maximum Temperature: Mechanical, °C 950
910
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 54
40
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
250 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
25 to 35
Strength to Weight: Bending, points 20 to 26
23 to 29
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13 to 20
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 16.5 to 18.5
17 to 19
Iron (Fe), % 61.7 to 71
63.5 to 71.5
Manganese (Mn), % 0 to 2.0
7.5 to 10
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10.5 to 13.5
4.0 to 6.0
Nitrogen (N), % 0
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 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.7
0

Comparable Variants