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ASTM A182 Grade F12 Class 1 vs. EN 1.8550 Steel

Both ASTM A182 grade F12 class 1 and EN 1.8550 steel are iron alloys. They have a very high 97% 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 ASTM A182 grade F12 class 1 and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 180
470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
600
Tensile Strength: Ultimate (UTS), MPa 470
1000
Tensile Strength: Yield (Proof), MPa 250
760

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
440
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
3.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 52
67

Common Calculations

PREN (Pitting Resistance) 2.8
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
36
Strength to Weight: Bending, points 17
29
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.050 to 0.15
0.3 to 0.37
Chromium (Cr), % 0.8 to 1.3
1.5 to 1.8
Iron (Fe), % 96.8 to 98.4
94.4 to 96.3
Manganese (Mn), % 0.3 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.44 to 0.65
0.15 to 0.25
Nickel (Ni), % 0
0.85 to 1.2
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.035