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EN 1.8505 Steel vs. AISI 202 Stainless Steel

Both EN 1.8505 steel and AISI 202 stainless steel are iron alloys. They have 70% 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 EN 1.8505 steel and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
14 to 45
Fatigue Strength, MPa 540
290 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 630
490 to 590
Tensile Strength: Ultimate (UTS), MPa 1050
700 to 980
Tensile Strength: Yield (Proof), MPa 860
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
910
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 22
40
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 2.6
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
250 to 840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
25 to 35
Strength to Weight: Bending, points 30
23 to 29
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 31
15 to 21

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.15
Chromium (Cr), % 1.5 to 1.8
17 to 19
Iron (Fe), % 95.4 to 97.1
63.5 to 71.5
Manganese (Mn), % 0.4 to 0.7
7.5 to 10
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030