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S44627 Stainless Steel vs. EN 1.1181 Steel

Both S44627 stainless steel and EN 1.1181 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S44627 stainless steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
19 to 20
Fatigue Strength, MPa 200
190 to 260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 310
350 to 390
Tensile Strength: Ultimate (UTS), MPa 490
560 to 620
Tensile Strength: Yield (Proof), MPa 300
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
42
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
210 to 380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
20 to 22
Strength to Weight: Bending, points 18
19 to 21
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 16
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.010
0.32 to 0.39
Chromium (Cr), % 25 to 27.5
0 to 0.4
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 69.2 to 74.2
97.4 to 99.18
Manganese (Mn), % 0 to 0.4
0.5 to 0.8
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.1
Nickel (Ni), % 0 to 0.5
0 to 0.4
Niobium (Nb), % 0.050 to 0.2
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035