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EN 1.4477 Stainless Steel vs. EN 1.1191 Steel

Both EN 1.4477 stainless steel and EN 1.1191 steel are iron alloys. They have 61% 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 1.4477 stainless steel and the bottom bar is EN 1.1191 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
16 to 17
Fatigue Strength, MPa 420 to 490
210 to 290
Impact Strength: V-Notched Charpy, J 110
16 to 29
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 550 to 580
380 to 430
Tensile Strength: Ultimate (UTS), MPa 880 to 930
630 to 700
Tensile Strength: Yield (Proof), MPa 620 to 730
310 to 440

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
260 to 510
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 33
22 to 25
Strength to Weight: Bending, points 26 to 27
21 to 22
Thermal Diffusivity, mm2/s 3.5
13
Thermal Shock Resistance, points 23 to 25
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.42 to 0.5
Chromium (Cr), % 28 to 30
0 to 0.4
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
97.3 to 99.08
Manganese (Mn), % 0.8 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 1.5 to 2.6
0 to 0.1
Nickel (Ni), % 5.8 to 7.5
0 to 0.4
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035