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EN 1.1191 Steel vs. SAE-AISI 1211 Steel

Both EN 1.1191 steel and SAE-AISI 1211 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 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 SAE-AISI 1211 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
11 to 29
Fatigue Strength, MPa 210 to 290
200 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 430
280 to 350
Tensile Strength: Ultimate (UTS), MPa 630 to 700
430 to 580
Tensile Strength: Yield (Proof), MPa 310 to 440
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
61 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
180 to 550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
15 to 21
Strength to Weight: Bending, points 21 to 22
16 to 20
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 22
14 to 18

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.13
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.3 to 99.08
98.7 to 99.23
Manganese (Mn), % 0.5 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0.070 to 0.12
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0.1 to 0.15