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S31277 Stainless Steel vs. EN 1.7202 Steel

Both S31277 stainless steel and EN 1.7202 steel are iron alloys. They have 43% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.7202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 860
530 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.5
Embodied Energy, MJ/kg 90
20
Embodied Water, L/kg 220
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
19 to 64
Strength to Weight: Bending, points 25
19 to 42
Thermal Shock Resistance, points 19
16 to 53

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.4
Chromium (Cr), % 20.5 to 23
0.9 to 1.2
Copper (Cu), % 0.5 to 1.5
0 to 0.25
Iron (Fe), % 35.5 to 46.2
96.6 to 98
Manganese (Mn), % 0 to 3.0
0.6 to 0.9
Molybdenum (Mo), % 6.5 to 8.0
0.15 to 0.3
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025