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EN 1.1191 Steel vs. EN 1.4597 Stainless Steel

Both EN 1.1191 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 1.1191 steel and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
45
Fatigue Strength, MPa 210 to 290
300
Impact Strength: V-Notched Charpy, J 16 to 29
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 380 to 430
470
Tensile Strength: Ultimate (UTS), MPa 630 to 700
680
Tensile Strength: Yield (Proof), MPa 310 to 440
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 48
15
Thermal Expansion, µm/m-K 12
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 83 to 100
250
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 21 to 22
22
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 20 to 22
15

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.1
Chromium (Cr), % 0 to 0.4
15 to 18
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 97.3 to 99.08
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