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EN 1.1181 Steel vs. EN 1.4597 Stainless Steel

Both EN 1.1181 steel and EN 1.4597 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1181 steel and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 20
45
Fatigue Strength, MPa 190 to 260
300
Impact Strength: V-Notched Charpy, J 23 to 38
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 350 to 390
470
Tensile Strength: Ultimate (UTS), MPa 560 to 620
680
Tensile Strength: Yield (Proof), MPa 280 to 380
330

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 19
36
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
250
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
25
Strength to Weight: Bending, points 19 to 21
22
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 19 to 21
15

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.1
Chromium (Cr), % 0 to 0.4
15 to 18
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 97.4 to 99.18
63 to 76.4
Manganese (Mn), % 0.5 to 0.8
6.5 to 9.0
Molybdenum (Mo), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0 to 0.4
0 to 3.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.030