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S44735 Stainless Steel vs. EN 1.1181 Steel

Both S44735 stainless steel and EN 1.1181 steel are iron alloys. They have 66% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 21
19 to 20
Fatigue Strength, MPa 300
190 to 260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
73
Shear Strength, MPa 390
350 to 390
Tensile Strength: Ultimate (UTS), MPa 630
560 to 620
Tensile Strength: Yield (Proof), MPa 460
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.4
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 520
210 to 380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
20 to 22
Strength to Weight: Bending, points 21
19 to 21
Thermal Shock Resistance, points 20
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.39
Chromium (Cr), % 28 to 30
0 to 0.4
Iron (Fe), % 60.7 to 68.4
97.4 to 99.18
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 3.6 to 4.2
0 to 0.1
Nickel (Ni), % 0 to 1.0
0 to 0.4
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0.2 to 1.0
0