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AISI 202 Stainless Steel vs. EN 1.8550 Steel

Both AISI 202 stainless steel and EN 1.8550 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
11
Fatigue Strength, MPa 290 to 330
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 490 to 590
600
Tensile Strength: Ultimate (UTS), MPa 700 to 980
1000
Tensile Strength: Yield (Proof), MPa 310 to 580
760

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
440
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
23
Embodied Water, L/kg 150
67

Common Calculations

PREN (Pitting Resistance) 20
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 35
36
Strength to Weight: Bending, points 23 to 29
29
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15 to 21
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.15
0.3 to 0.37
Chromium (Cr), % 17 to 19
1.5 to 1.8
Iron (Fe), % 63.5 to 71.5
94.4 to 96.3
Manganese (Mn), % 7.5 to 10
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 4.0 to 6.0
0.85 to 1.2
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035