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EN 1.4305 Stainless Steel vs. EN 1.1181 Steel

Both EN 1.4305 stainless steel and EN 1.1181 steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 EN 1.4305 stainless steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
19 to 20
Fatigue Strength, MPa 190 to 330
190 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 550
350 to 390
Tensile Strength: Ultimate (UTS), MPa 610 to 900
560 to 620
Tensile Strength: Yield (Proof), MPa 220 to 570
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
210 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
20 to 22
Strength to Weight: Bending, points 20 to 27
19 to 21
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14 to 20
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.1
0.32 to 0.39
Chromium (Cr), % 17 to 19
0 to 0.4
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.4 to 74.9
97.4 to 99.18
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 8.0 to 10
0 to 0.4
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.035

Comparable Variants