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EN 1.7272 Steel vs. AISI 202 Stainless Steel

Both EN 1.7272 steel and AISI 202 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7272 steel and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 490 to 1650
700 to 980

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 19
40
Embodied Water, L/kg 49
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 59
25 to 35
Strength to Weight: Bending, points 18 to 40
23 to 29
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 14 to 48
15 to 21

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.28 to 0.33
0 to 0.15
Chromium (Cr), % 0.4 to 0.55
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.2 to 98.3
63.5 to 71.5
Manganese (Mn), % 0.9 to 1.2
7.5 to 10
Molybdenum (Mo), % 0.1 to 0.15
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 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030