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S31803 Stainless Steel vs. EN 1.1132 Steel

Both S31803 stainless steel and EN 1.1132 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31803 stainless steel and the bottom bar is EN 1.1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
12 to 24
Fatigue Strength, MPa 370
180 to 280
Poisson's Ratio 0.27
0.29
Reduction in Area, % 50
63 to 73
Shear Modulus, GPa 80
73
Shear Strength, MPa 460
260 to 310
Tensile Strength: Ultimate (UTS), MPa 710
370 to 490
Tensile Strength: Yield (Proof), MPa 500
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1060
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 49
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
38 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 630
160 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
13 to 17
Strength to Weight: Bending, points 23
15 to 18
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 20
12 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.13 to 0.17
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 63.7 to 71.9
98.6 to 99.57
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.080 to 0.2
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 0.020
0 to 0.025