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S31727 Stainless Steel vs. EN 1.1132 Steel

Both S31727 stainless steel and EN 1.1132 steel are iron alloys. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
12 to 24
Fatigue Strength, MPa 240
180 to 280
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
63 to 73
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
260 to 310
Tensile Strength: Ultimate (UTS), MPa 630
370 to 490
Tensile Strength: Yield (Proof), MPa 270
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.4
Embodied Energy, MJ/kg 64
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
38 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
13 to 17
Strength to Weight: Bending, points 20
15 to 18
Thermal Shock Resistance, points 14
12 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.13 to 0.17
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
98.6 to 99.57
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025